diff --git a/lutris/runners/wine.py b/lutris/runners/wine.py
index 0977609200..5c7312fa22 100644
--- a/lutris/runners/wine.py
+++ b/lutris/runners/wine.py
@@ -937,7 +937,8 @@ def get_env(self, os_env=False, disable_runtime=False):
             env["STEAM_COMPAT_DATA_PATH"] = self.prefix_path
             env["STEAM_COMPAT_APP_ID"] = '0'
             env["SteamAppId"] = '0'
-            env["SteamGameId"] = "lutris-game"
+            if not ("SteamGameId" in env):
+                env["SteamGameId"] = "lutris-game"
         return env
 
     def get_runtime_env(self):