diff --git a/lib/launcher/python/mchandler.py b/lib/launcher/python/mchandler.py
index 97008fe..47437bd 100644
--- a/lib/launcher/python/mchandler.py
+++ b/lib/launcher/python/mchandler.py
@@ -21,7 +21,8 @@ game_properties = {
     "library directory": "lib/jar", # will be transformed by the launch function
     "asset directory": "res",
     "game directory": "run",
-    "java executable": "java"}
+    "java executable": "java",
+    "additional arguments": ""}
 
 command = None