diff --git a/natives/blur.cc b/natives/blur.cc
index 5ca0fd0..0f27b3c 100644
--- a/natives/blur.cc
+++ b/natives/blur.cc
@@ -8,7 +8,7 @@ using namespace std;
 using namespace vips;
 
 char *Blur(string type, char *BufferData, size_t BufferLength,
-           map<string, any> Arguments, size_t *DataSize) {
+           map<string, ARG_TYPES> Arguments, size_t *DataSize) {
   bool sharp = MAP_GET(Arguments, "sharp", bool);
   VOption *options = VImage::option()->set("access", "sequential");
 
diff --git a/natives/blur.h b/natives/blur.h
index 82d611b..b0c14ea 100644
--- a/natives/blur.h
+++ b/natives/blur.h
@@ -1,11 +1,9 @@
 #pragma once
 
-#include <any>
+#include "common.h"
 #include <map>
-#include <string>
 
-using std::any;
 using std::map;
 using std::string;
 
-char* Blur(string type, char* BufferData, size_t BufferLength, map<string, any> Arguments, size_t* DataSize);
\ No newline at end of file
+char* Blur(string type, char* BufferData, size_t BufferLength, map<string, ARG_TYPES> Arguments, size_t* DataSize);
\ No newline at end of file
diff --git a/natives/caption.cc b/natives/caption.cc
index 881e25a..c1f0599 100644
--- a/natives/caption.cc
+++ b/natives/caption.cc
@@ -8,7 +8,7 @@ using namespace std;
 using namespace vips;
 
 char *Caption(string type, char *BufferData, size_t BufferLength,
-              map<string, any> Arguments, size_t *DataSize) {
+              map<string, ARG_TYPES> Arguments, size_t *DataSize) {
 
   string caption = MAP_GET(Arguments, "caption", string);
   string font = MAP_GET(Arguments, "font", string);
diff --git a/natives/caption.h b/natives/caption.h
index e354dae..b1266ec 100644
--- a/natives/caption.h
+++ b/natives/caption.h
@@ -1,11 +1,9 @@
 #pragma once
 
-#include <any>
+#include "common.h"
 #include <map>
-#include <string>
 
-using std::any;
 using std::map;
 using std::string;
 
-char* Caption(string type, char* BufferData, size_t BufferLength, map<string, any> Arguments, size_t* DataSize);
\ No newline at end of file
+char* Caption(string type, char* BufferData, size_t BufferLength, map<string, ARG_TYPES> Arguments, size_t* DataSize);
\ No newline at end of file
diff --git a/natives/caption2.cc b/natives/caption2.cc
index eed3fb4..b517ceb 100644
--- a/natives/caption2.cc
+++ b/natives/caption2.cc
@@ -8,7 +8,7 @@ using namespace std;
 using namespace vips;
 
 char *CaptionTwo(string type, char *BufferData, size_t BufferLength,
-                 map<string, any> Arguments, size_t *DataSize) {
+                 map<string, ARG_TYPES> Arguments, size_t *DataSize) {
 
   bool top = MAP_GET(Arguments, "top", bool);
   string caption = MAP_GET(Arguments, "caption", string);
diff --git a/natives/caption2.h b/natives/caption2.h
index 77fe4bb..7fd17bc 100644
--- a/natives/caption2.h
+++ b/natives/caption2.h
@@ -1,11 +1,9 @@
 #pragma once
 
-#include <any>
+#include "common.h"
 #include <map>
-#include <string>
 
-using std::any;
 using std::map;
 using std::string;
 
-char* CaptionTwo(string type, char* BufferData, size_t BufferLength, map<string, any> Arguments, size_t* DataSize);
\ No newline at end of file
+char* CaptionTwo(string type, char* BufferData, size_t BufferLength, map<string, ARG_TYPES> Arguments, size_t* DataSize);
\ No newline at end of file
diff --git a/natives/circle.cc b/natives/circle.cc
index ed8917e..4772393 100644
--- a/natives/circle.cc
+++ b/natives/circle.cc
@@ -11,7 +11,7 @@ using namespace std;
 using namespace Magick;
 
 char *Circle(string type, char *BufferData, size_t BufferLength,
-             map<string, any> Arguments, size_t *DataSize) {
+             map<string, ARG_TYPES> Arguments, size_t *DataSize) {
 
   Blob blob;
 
diff --git a/natives/circle.h b/natives/circle.h
index 9d1e78a..be378da 100644
--- a/natives/circle.h
+++ b/natives/circle.h
@@ -1,11 +1,9 @@
 #pragma once
 
-#include <any>
+#include "common.h"
 #include <map>
-#include <string>
 
-using std::any;
 using std::map;
 using std::string;
 
-char* Circle(string type, char* BufferData, size_t BufferLength, map<string, any> Arguments, size_t* DataSize);
\ No newline at end of file
+char* Circle(string type, char* BufferData, size_t BufferLength, map<string, ARG_TYPES> Arguments, size_t* DataSize);
\ No newline at end of file
diff --git a/natives/colors.cc b/natives/colors.cc
index ae6a885..2ffc002 100644
--- a/natives/colors.cc
+++ b/natives/colors.cc
@@ -11,7 +11,7 @@ VImage sepia = VImage::new_matrixv(3, 3, 0.3588, 0.7044, 0.1368, 0.2990, 0.5870,
                                    0.1140, 0.2392, 0.4696, 0.0912);
 
 char *Colors(string type, char *BufferData, size_t BufferLength,
-             map<string, any> Arguments, size_t *DataSize) {
+             map<string, ARG_TYPES> Arguments, size_t *DataSize) {
 
   string color = MAP_GET(Arguments, "color", string);
 
diff --git a/natives/colors.h b/natives/colors.h
index a3f4665..ea11984 100644
--- a/natives/colors.h
+++ b/natives/colors.h
@@ -1,11 +1,9 @@
 #pragma once
 
-#include <any>
+#include "common.h"
 #include <map>
-#include <string>
 
-using std::any;
 using std::map;
 using std::string;
 
-char* Colors(string type, char* BufferData, size_t BufferLength, map<string, any> Arguments, size_t* DataSize);
\ No newline at end of file
+char* Colors(string type, char* BufferData, size_t BufferLength, map<string, ARG_TYPES> Arguments, size_t* DataSize);
\ No newline at end of file
diff --git a/natives/common.h b/natives/common.h
index 820adbb..ebca0fe 100644
--- a/natives/common.h
+++ b/natives/common.h
@@ -1,12 +1,14 @@
 #pragma once
 
-#include <any>
+#include <variant>
 #include <string>
 #include <unordered_map>
 
 #define MAP_HAS(ARRAY, KEY) (ARRAY.count(KEY) > 0)
-#define MAP_GET(ARRAY, KEY, TYPE) (MAP_HAS(ARRAY, KEY) ? any_cast<TYPE>(ARRAY.at(KEY)) : NULL) // C++ has forced my hand
-#define MAP_GET_FALLBACK(ARRAY, KEY, TYPE, FALLBACK) (MAP_HAS(ARRAY, KEY) ? any_cast<TYPE>(ARRAY.at(KEY)) : FALLBACK)
+#define MAP_GET(ARRAY, KEY, TYPE) (MAP_HAS(ARRAY, KEY) ? get<TYPE>(ARRAY.at(KEY)) : NULL) // C++ has forced my hand
+#define MAP_GET_FALLBACK(ARRAY, KEY, TYPE, FALLBACK) (MAP_HAS(ARRAY, KEY) ? get<TYPE>(ARRAY.at(KEY)) : FALLBACK)
+
+#define ARG_TYPES std::variant<string, bool, int, float>
 
 const std::unordered_map<std::string, std::string> fontPaths {
   {"futura", "assets/fonts/caption.otf"},
diff --git a/natives/crop.cc b/natives/crop.cc
index 4b9f527..d74badb 100644
--- a/natives/crop.cc
+++ b/natives/crop.cc
@@ -7,7 +7,7 @@ using namespace std;
 using namespace vips;
 
 char *Crop(string type, char *BufferData, size_t BufferLength,
-           map<string, any> Arguments, size_t *DataSize) {
+           map<string, ARG_TYPES> Arguments, size_t *DataSize) {
 
   VOption *options = VImage::option()->set("access", "sequential");
 
diff --git a/natives/crop.h b/natives/crop.h
index aeea95c..a3ab89e 100644
--- a/natives/crop.h
+++ b/natives/crop.h
@@ -1,11 +1,9 @@
 #pragma once
 
-#include <any>
+#include "common.h"
 #include <map>
-#include <string>
 
-using std::any;
 using std::map;
 using std::string;
 
-char* Crop(string type, char* BufferData, size_t BufferLength, map<string, any> Arguments, size_t* DataSize);
\ No newline at end of file
+char* Crop(string type, char* BufferData, size_t BufferLength, map<string, ARG_TYPES> Arguments, size_t* DataSize);
\ No newline at end of file
diff --git a/natives/deepfry.cc b/natives/deepfry.cc
index 03b4bad..5aa0941 100644
--- a/natives/deepfry.cc
+++ b/natives/deepfry.cc
@@ -6,7 +6,7 @@ using namespace std;
 using namespace vips;
 
 char *Deepfry(string type, char *BufferData, size_t BufferLength,
-              map<string, any> Arguments, size_t *DataSize) {
+              map<string, ARG_TYPES> Arguments, size_t *DataSize) {
 
   VOption *options = VImage::option()->set("access", "sequential");
 
diff --git a/natives/deepfry.h b/natives/deepfry.h
index b06cb6c..fd8104e 100644
--- a/natives/deepfry.h
+++ b/natives/deepfry.h
@@ -1,11 +1,9 @@
 #pragma once
 
-#include <any>
+#include "common.h"
 #include <map>
-#include <string>
 
-using std::any;
 using std::map;
 using std::string;
 
-char* Deepfry(string type, char* BufferData, size_t BufferLength, map<string, any> Arguments, size_t* DataSize);
\ No newline at end of file
+char* Deepfry(string type, char* BufferData, size_t BufferLength, map<string, ARG_TYPES> Arguments, size_t* DataSize);
\ No newline at end of file
diff --git a/natives/explode.cc b/natives/explode.cc
index d2c9970..9ab1a5d 100644
--- a/natives/explode.cc
+++ b/natives/explode.cc
@@ -12,7 +12,7 @@ using namespace std;
 using namespace Magick;
 
 char *Explode(string type, char *BufferData, size_t BufferLength,
-              map<string, any> Arguments, size_t *DataSize) {
+              map<string, ARG_TYPES> Arguments, size_t *DataSize) {
 
   int amount = MAP_GET(Arguments, "amount", int);
   int delay = MAP_GET_FALLBACK(Arguments, "delay", int, 0);
diff --git a/natives/explode.h b/natives/explode.h
index 1b9126c..74427b6 100644
--- a/natives/explode.h
+++ b/natives/explode.h
@@ -1,11 +1,9 @@
 #pragma once
 
-#include <any>
+#include "common.h"
 #include <map>
-#include <string>
 
-using std::any;
 using std::map;
 using std::string;
 
-char* Explode(string type, char* BufferData, size_t BufferLength, map<string, any> Arguments, size_t* DataSize);
\ No newline at end of file
+char* Explode(string type, char* BufferData, size_t BufferLength, map<string, ARG_TYPES> Arguments, size_t* DataSize);
\ No newline at end of file
diff --git a/natives/flag.cc b/natives/flag.cc
index 4aae54e..75cf91c 100644
--- a/natives/flag.cc
+++ b/natives/flag.cc
@@ -8,7 +8,7 @@ using namespace std;
 using namespace vips;
 
 char *Flag(string type, char *BufferData, size_t BufferLength,
-           map<string, any> Arguments, size_t *DataSize) {
+           map<string, ARG_TYPES> Arguments, size_t *DataSize) {
 
   string overlay = MAP_GET(Arguments, "overlay", string);
   string basePath = MAP_GET(Arguments, "basePath", string);
diff --git a/natives/flag.h b/natives/flag.h
index 9e6da56..da5fc46 100644
--- a/natives/flag.h
+++ b/natives/flag.h
@@ -1,11 +1,9 @@
 #pragma once
 
-#include <any>
+#include "common.h"
 #include <map>
-#include <string>
 
-using std::any;
 using std::map;
 using std::string;
 
-char* Flag(string type, char* BufferData, size_t BufferLength, map<string, any> Arguments, size_t* DataSize);
\ No newline at end of file
+char* Flag(string type, char* BufferData, size_t BufferLength, map<string, ARG_TYPES> Arguments, size_t* DataSize);
\ No newline at end of file
diff --git a/natives/flip.cc b/natives/flip.cc
index 5811fae..c2ad6ea 100644
--- a/natives/flip.cc
+++ b/natives/flip.cc
@@ -8,7 +8,7 @@ using namespace std;
 using namespace vips;
 
 char *Flip(string type, char *BufferData, size_t BufferLength,
-           map<string, any> Arguments, size_t *DataSize) {
+           map<string, ARG_TYPES> Arguments, size_t *DataSize) {
 
   bool flop = MAP_GET(Arguments, "flop", bool);
 
diff --git a/natives/flip.h b/natives/flip.h
index aba5962..c910833 100644
--- a/natives/flip.h
+++ b/natives/flip.h
@@ -1,11 +1,9 @@
 #pragma once
 
-#include <any>
+#include "common.h"
 #include <map>
-#include <string>
 
-using std::any;
 using std::map;
 using std::string;
 
-char* Flip(string type, char* BufferData, size_t BufferLength, map<string, any> Arguments, size_t* DataSize);
\ No newline at end of file
+char* Flip(string type, char* BufferData, size_t BufferLength, map<string, ARG_TYPES> Arguments, size_t* DataSize);
\ No newline at end of file
diff --git a/natives/image.cc b/natives/image.cc
index 0ecbd53..7a717bb 100644
--- a/natives/image.cc
+++ b/natives/image.cc
@@ -4,7 +4,6 @@
 #include <map>
 #include <string>
 #include <iostream>
-#include <any>
 
 #include "blur.h"
 #include "colors.h"
@@ -52,7 +51,7 @@
 
 using namespace std;
 
-std::map<std::string, char* (*)(string type, char* BufferData, size_t BufferLength, map<string, any> Arguments, size_t* DataSize)> FunctionMap = {
+std::map<std::string, char* (*)(string type, char* BufferData, size_t BufferLength, map<string, ARG_TYPES> Arguments, size_t* DataSize)> FunctionMap = {
   {"blur", &Blur},
 	{"caption", &Caption},
 	{"captionTwo", &CaptionTwo},
@@ -118,7 +117,7 @@ Napi::Value NewProcessImage(const Napi::CallbackInfo &info) {
 
     Napi::Array properties = obj.GetPropertyNames();
 
-    std::map<string, any> Arguments;
+    std::map<string, ARG_TYPES> Arguments;
 
     for (unsigned int i = 0; i < properties.Length(); i++) {
       string property = properties.Get(uint32_t(i)).As<Napi::String>().Utf8Value();
@@ -139,8 +138,6 @@ Napi::Value NewProcessImage(const Napi::CallbackInfo &info) {
         } else {
           Arguments[property] = num.FloatValue();
         }
-      } else {
-        Arguments[property] = val;
       }
     }
 
@@ -174,6 +171,7 @@ Napi::Value ProcessImage(const Napi::CallbackInfo &info) { // janky solution for
     return OldProcessImage(command, info);
   } else {
     Napi::Error::New(env, "Invalid command").ThrowAsJavaScriptException();
+    return env.Null();
   }
 }
 
diff --git a/natives/uncaption.cc b/natives/uncaption.cc
index 61bb468..11b0f93 100644
--- a/natives/uncaption.cc
+++ b/natives/uncaption.cc
@@ -7,7 +7,7 @@ using namespace std;
 using namespace vips;
 
 char *Uncaption(string type, char *BufferData, size_t BufferLength,
-                map<string, any> Arguments, size_t *DataSize) {
+                map<string, ARG_TYPES> Arguments, size_t *DataSize) {
 
   float tolerance = MAP_GET_FALLBACK(Arguments, "tolerance", float, 0.5);
 
diff --git a/natives/uncaption.h b/natives/uncaption.h
index ebd4318..6798490 100644
--- a/natives/uncaption.h
+++ b/natives/uncaption.h
@@ -1,11 +1,9 @@
 #pragma once
 
-#include <any>
+#include "common.h"
 #include <map>
-#include <string>
 
-using std::any;
 using std::map;
 using std::string;
 
-char* Uncaption(string type, char* BufferData, size_t BufferLength, map<string, any> Arguments, size_t* DataSize);
\ No newline at end of file
+char* Uncaption(string type, char* BufferData, size_t BufferLength, map<string, ARG_TYPES> Arguments, size_t* DataSize);
\ No newline at end of file
diff --git a/natives/watermark.cc b/natives/watermark.cc
index 9b53857..f1bb970 100644
--- a/natives/watermark.cc
+++ b/natives/watermark.cc
@@ -7,7 +7,7 @@ using namespace std;
 using namespace vips;
 
 char *Watermark(string type, char *BufferData, size_t BufferLength,
-                map<string, any> Arguments, size_t *DataSize) {
+                map<string, ARG_TYPES> Arguments, size_t *DataSize) {
 
   string water = MAP_GET(Arguments, "water", string);
   int gravity = MAP_GET(Arguments, "gravity", int);
diff --git a/natives/watermark.h b/natives/watermark.h
index f67d916..338a61a 100644
--- a/natives/watermark.h
+++ b/natives/watermark.h
@@ -1,11 +1,9 @@
 #pragma once
 
-#include <any>
+#include "common.h"
 #include <map>
-#include <string>
 
-using std::any;
 using std::map;
 using std::string;
 
-char* Watermark(string type, char* BufferData, size_t BufferLength, map<string, any> Arguments, size_t* DataSize);
\ No newline at end of file
+char* Watermark(string type, char* BufferData, size_t BufferLength, map<string, ARG_TYPES> Arguments, size_t* DataSize);
\ No newline at end of file