diff --git a/Source/Core/Core/AchievementManager.h b/Source/Core/Core/AchievementManager.h
index a4e333d6dc..a2ada5f0ee 100644
--- a/Source/Core/Core/AchievementManager.h
+++ b/Source/Core/Core/AchievementManager.h
@@ -34,6 +34,8 @@ public:
     INVALID_REQUEST,
     INVALID_CREDENTIALS,
     CONNECTION_FAILED,
+    MALFORMED_OBJECT,
+    EXPIRED_CONTEXT,
     UNKNOWN_FAILURE
   };
   using ResponseCallback = std::function<void(ResponseType)>;