diff --git a/Gui.py b/Gui.py
index 88bb9df4..b897866b 100755
--- a/Gui.py
+++ b/Gui.py
@@ -425,7 +425,7 @@ def guiMain(args=None):
         guiargs.rom = romVar.get()
         guiargs.sprite = sprite
         # get default values for missing parameters
-        for k,v in vars(parse_arguments([])).items():
+        for k,v in vars(parse_arguments(['--multi', str(guiargs.multi)])).items():
             if k not in vars(guiargs):
                 setattr(guiargs, k, v)
             elif type(v) is dict: # use same settings for every player