diff --git a/faugus_run.py b/faugus_run.py
index 59e6a7c..1fb34bc 100644
--- a/faugus_run.py
+++ b/faugus_run.py
@@ -119,7 +119,7 @@ class FaugusRun:
                     set_env("PROTONPATH", f"{self.default_runner}")
 
         if os.environ.get("GAMEID") != "winetricks-gui":
-            if "umu" not in os.environ.get("GAMEID", ""):
+            if "umu" not in os.environ.get("GAMEID", "") and not (os.environ.get("GAMEID", "").isnumeric()):
                 set_env("PROTONFIXES_DISABLE", "1")
 
         protonpath = os.environ.get("PROTONPATH")