diff --git a/proton b/proton
index 42d57956..41fabbff 100755
--- a/proton
+++ b/proton
@@ -1127,6 +1127,7 @@ def default_compat_config():
         if appid in [
                 "2630", #Call of Duty 2
                 "1060210", #Disaster Report 4: Summer Memories
+                "414740", #RAID: World War II
                 ]:
             ret.add("nofsync")
             ret.add("noesync")