diff --git a/src/KingSystem/System/OverlayArenaSystemS2.h b/src/KingSystem/System/OverlayArenaSystemS2.h
index 2a43c72a..f40f735c 100644
--- a/src/KingSystem/System/OverlayArenaSystemS2.h
+++ b/src/KingSystem/System/OverlayArenaSystemS2.h
@@ -23,7 +23,7 @@ public:
 
 private:
     u32 _0 = 0;
-    sead::Delegate1<OverlayArenaSystemS2, void*> mDelegate;
+    sead::Delegate1R<OverlayArenaSystemS2, void*, bool> mDelegate;
     u32 _28 = 1;
     void* _30 = nullptr;
     void* _38 = nullptr;