diff --git a/lutris/runners/commands/wine.py b/lutris/runners/commands/wine.py
index 84f637877..72c52174e 100644
--- a/lutris/runners/commands/wine.py
+++ b/lutris/runners/commands/wine.py
@@ -338,7 +338,11 @@ def wineexec(
     if proton.is_proton_path(wine_path):
         game = None
         wineenv["GAMEID"] = proton.get_game_id(game)
-        wineenv["PROTONPATH"] = proton.get_proton_path_from_bin(wine_path)
+
+        if wine_path == GE_PROTON_LATEST:
+            wine_path = proton.get_umu_path()
+        else:
+            wineenv["PROTONPATH"] = proton.get_proton_path_from_bin(wine_path)
         locale = env.get("LC_ALL")
         host_locale = env.get("HOST_LC_ALL")
         if locale and not host_locale:
@@ -348,9 +352,6 @@ def wineexec(
     baseenv.update(wineenv)
     baseenv.update(env)
 
-    if proton.is_proton_path(wine_path):
-        wine_path = proton.get_umu_path()
-
     command_parameters = [wine_path]
     if executable:
         command_parameters.append(executable)