diff --git a/proton b/proton
index 0a72ede5..94ccd965 100755
--- a/proton
+++ b/proton
@@ -1247,6 +1247,7 @@ def default_compat_config():
                 "233130", #Shadow Warrior
                 "2067160", #Simulakros
                 "2621010", #Simulakros Demo
+                "368500", #Assassin's Creed Syndicate
                 ]:
             ret.add("disablenvapi")