diff --git a/include/protocol/Protocol.h b/include/protocol/Protocol.h
index d5f8186..3715194 100644
--- a/include/protocol/Protocol.h
+++ b/include/protocol/Protocol.h
@@ -384,8 +384,8 @@ public:
 };
 
 struct MobSend { // represents a mob send
-    game::MobType mobType;
-    game::MobLevel mobLevel;
+    game::MobType mobType : 4;
+    game::MobLevel mobLevel : 4;
     std::uint8_t mobCount; // the max is 12
 };