diff --git a/Objective-J/Tools/objj/lib-js/objj/objj.js b/Objective-J/Tools/objj/lib-js/objj/objj.js
index 2338a73f5..656a077a8 100644
--- a/Objective-J/Tools/objj/lib-js/objj/objj.js
+++ b/Objective-J/Tools/objj/lib-js/objj/objj.js
@@ -37,7 +37,8 @@ with (window)
         "OBJJ_PREPROCESSOR_DEBUG_SYMBOLS",
         "objj_data",
         "CPPropertyListCreateData", "CPPropertyListCreateFromData",
-        "kCFPropertyListXMLFormat_v1_0", "kCFPropertyList280NorthFormat_v1_0"
+        "kCFPropertyListXMLFormat_v1_0", "kCFPropertyList280NorthFormat_v1_0",
+        "objj_dictionary"
     ].forEach(function(v) {
         exports[v] = eval(v);
     });
diff --git a/Objective-J/Tools/objj/lib-js/objj/objjc.js b/Objective-J/Tools/objj/lib-js/objj/objjc.js
index 03b046025..553d60e7a 100644
--- a/Objective-J/Tools/objj/lib-js/objj/objjc.js
+++ b/Objective-J/Tools/objj/lib-js/objj/objjc.js
@@ -45,7 +45,9 @@ exports.preprocess = function(inFile, outFile, flags, gccArgs)
         shouldCheckSyntax = flags & OBJJ_PREPROCESSOR_SYNTAX,
         shouldCompress = flags & OBJJ_PREPROCESSOR_COMPRESS;
 
-    var gccCommand = "gcc -E -x c -P " + (gccArgs.join(" ") || "") + " " + inFile;
+    gccArgs = gccArgs ? gccArgs.join(" ") : "";
+
+    var gccCommand = "gcc -E -x c -P " + gccArgs + " " + inFile;
     
     if (!shouldObjjPreprocess)
     {