diff --git a/src/otclient/const.h b/src/otclient/const.h
index 7b72a9d5..f803905f 100644
--- a/src/otclient/const.h
+++ b/src/otclient/const.h
@@ -119,6 +119,10 @@ namespace Otc
         InventorySlotRing,
         InventorySlotAmmo,
         InventorySlotPurse,
+        InventorySlotExt1,
+        InventorySlotExt2,
+        InventorySlotExt3,
+        InventorySlotExt4,
         LastInventorySlot
     };
 
diff --git a/src/otclient/protocolgameparse.cpp b/src/otclient/protocolgameparse.cpp
index bdb60ade..545797f9 100644
--- a/src/otclient/protocolgameparse.cpp
+++ b/src/otclient/protocolgameparse.cpp
@@ -42,7 +42,8 @@ void ProtocolGame::parseMessage(const InputMessagePtr& msg)
         while(!msg->eof()) {
             opcode = msg->getU8();
 
-            if(!m_gameInitialized && opcode >= Proto::GameServerFirstGameOpcode) {
+            // must be > so extended will be enabled before GameStart.
+            if(!m_gameInitialized && opcode > Proto::GameServerFirstGameOpcode) {
                 g_game.processGameStart();
                 m_gameInitialized = true;
             }