diff --git a/src/server/game/Server/WorldSession.h b/src/server/game/Server/WorldSession.h
index 249c10d1a2f..1721fb7a163 100644
--- a/src/server/game/Server/WorldSession.h
+++ b/src/server/game/Server/WorldSession.h
@@ -592,6 +592,7 @@ class TC_GAME_API WorldSession
         void HandleGroupInviteOpcode(WorldPacket& recvPacket);
         //void HandleGroupCancelOpcode(WorldPacket& recvPacket);
         void HandleGroupInviteResponseOpcode(WorldPacket& recvPacket);
+		void HandleGroupClearMarker(WorldPacket& recvPacket);
         void HandleGroupUninviteOpcode(WorldPacket& recvPacket);
         void HandleGroupUninviteGuidOpcode(WorldPacket& recvPacket);
         void HandleGroupSetLeaderOpcode(WorldPacket& recvPacket);