diff --git a/Fika.Core/Coop/Patches/AbstractGame/AbstractGame_InRaid_Patch.cs b/Fika.Core/Coop/Patches/AbstractGame/AbstractGame_InRaid_Patch.cs
index 43043ca0..8a5f9a6e 100644
--- a/Fika.Core/Coop/Patches/AbstractGame/AbstractGame_InRaid_Patch.cs
+++ b/Fika.Core/Coop/Patches/AbstractGame/AbstractGame_InRaid_Patch.cs
@@ -16,7 +16,7 @@ protected override MethodBase GetTargetMethod()
         }
 
         [PatchPrefix]
-        private static bool PreFix(AbstractGame __instance, bool __result)
+        private static bool PreFix(AbstractGame __instance, ref bool __result)
         {
             __result = __instance is CoopGame;
             return false;