hopefully fix #4814

source/funkin/modding/PolymodHandler.hx

@@ -80,8 +80,10 @@ class PolymodHandler
    */
   public static function loadAllMods():Void
   {
+    #if sys
     // Create the mod root if it doesn't exist.
     createModRoot();
+    #end
     trace('Initializing Polymod (using all mods)...');
     loadModsById(getAllModIds());
   }
@@ -91,9 +93,10 @@ class PolymodHandler
    */
   public static function loadEnabledMods():Void
   {
+    #if sys
     // Create the mod root if it doesn't exist.
     createModRoot();
-
+    #end
     trace('Initializing Polymod (using configured mods)...');
     loadModsById(Save.instance.enabledModIds);
   }
@@ -103,9 +106,10 @@ class PolymodHandler
    */
   public static function loadNoMods():Void
   {
+    #if sys
     // Create the mod root if it doesn't exist.
     createModRoot();
-
+    #end
     // We still need to configure the debug print calls etc.
     trace('Initializing Polymod (using no mods)...');
     loadModsById([]);

source/funkin/util/FileUtil.hx

@@ -621,8 +621,6 @@ class FileUtil
       throw 'Target path is a directory, not a file: "$path"';
     }
 
-    createDirIfNotExists(Path.directory(path));
-
     var shouldWrite:Bool = true;
     switch (mode)
     {
@@ -811,14 +809,14 @@ class FileUtil
    */
   public static function createDirIfNotExists(dir:String):Void
   {
-    #if sys
     if (!directoryExists(dir))
     {
+      #if sys
       sys.FileSystem.createDirectory(dir);
+      #else
+      throw 'Directory creation is not supported on this platform.';
+      #end
     }
-    #else
-    throw 'Directory creation is not supported on this platform.';
-    #end
   }
 
   /**