diff --git a/projects/updater/install.lua b/projects/updater/install.lua
index e340e4e..ebc7dd4 100644
--- a/projects/updater/install.lua
+++ b/projects/updater/install.lua
@@ -12,7 +12,7 @@ if not fs.exists(temp) then
 end
 
 if #args > 0 then
-    programToInstall = args[1]
+    local programToInstall = args[1]
 else
     print("usage:")
     print("install.lua <project>")
@@ -20,7 +20,7 @@ else
 end
 if #args > 1 then
     print("WARNING: custom paths are currently not supported.")
-    customPath = shell.resolve(args[2])
+    local customPath = shell.resolve(args[2])
 end
 
 local function downloadFile(program, filename)
diff --git a/projects/updater/update.lua b/projects/updater/update.lua
index 91ef62b..e115d2e 100644
--- a/projects/updater/update.lua
+++ b/projects/updater/update.lua
@@ -12,11 +12,11 @@ if not fs.exists(temp) then
 end
 
 if #args > 0 then
-    programToInstall = args[1]
+    local programToInstall = args[1]
 end
 if #args > 1 then
     print("WARNING: custom paths are currently not supported.")
-    customPath = shell.resolve(args[2])
+    local customPath = shell.resolve(args[2])
 end
 
 local function downloadFile(program, filename)