diff --git a/proton b/proton
index f70cf256..3540bff2 100755
--- a/proton
+++ b/proton
@@ -170,7 +170,7 @@ with dist_lock:
         try_copy(basedir + "/version", basedir + "/dist/")
 
 env = dict(os.environ)
-dlloverrides = {}
+dlloverrides = {"steam.exe": "b"} #always use our special built-in steam.exe
 
 if "HOST_LC_ALL" in env and len(env["HOST_LC_ALL"]) > 0:
     #steam sets LC_ALL=C to help some games, but Wine requires the real value