diff --git a/src/lib/commandDispatcher.js b/src/lib/commandDispatcher.js
index 8caa61c..bbfda8d 100644
--- a/src/lib/commandDispatcher.js
+++ b/src/lib/commandDispatcher.js
@@ -33,13 +33,13 @@ function parseAsArgv(argv) {
         : removeStartHyphens(arg.slice(0, equalsIndex));
 
     if (equalsIndex !== -1) {
-      props[argName] = convertIfApplicable(arg.slice(equalsIndex + 1));
+      optional[argName] = convertIfApplicable(arg.slice(equalsIndex + 1));
     } else if (arg.charAt(0) === "-") {
       if (arg.charAt(1) === "-") {
-        props[argName] = true;
+        optional[argName] = true;
       } else {
         for (let b = 0; b < argName.length; b++) {
-          props[argName.charAt(b)] = true;
+          optional[argName.charAt(b)] = true;
         }
       }
     } else {