diff --git a/proton b/proton
index 5c6fb1a9..28f8228d 100755
--- a/proton
+++ b/proton
@@ -1406,6 +1406,7 @@ class Session:
                 "dotnetfx35setup.exe": "b",
                 "beclient.dll": "b,n",
                 "beclient_x64.dll": "b,n",
+                "winebth.sys": "d", #disable winebth.sys as it crashes winedevice.exe
         }
 
         # CW Bug 21737. Locoland executable happens to be steam.exe.