diff --git a/AK/Forward.h b/AK/Forward.h
index df7c1bbcae..c0bbdbfddc 100644
--- a/AK/Forward.h
+++ b/AK/Forward.h
@@ -113,7 +113,7 @@ template<typename T>
 class Optional;
 
 template<typename T>
-class RefPtrTraits;
+struct RefPtrTraits;
 
 template<typename T, typename PtrTraits = RefPtrTraits<T>>
 class RefPtr;