diff --git a/src/game/WorldSession.cpp b/src/game/WorldSession.cpp
index 491de312c..4bc0aa7d1 100644
--- a/src/game/WorldSession.cpp
+++ b/src/game/WorldSession.cpp
@@ -171,7 +171,7 @@ bool WorldSession::Update(uint32 /*diff*/)
                         packet->GetOpcode());
         #endif*/
 
-        OpcodeHandler& opHandle = opcodeTable[packet->GetOpcode()];
+        OpcodeHandler const& opHandle = opcodeTable[packet->GetOpcode()];
         try
         {
             switch (opHandle.status)
@@ -860,7 +860,7 @@ void WorldSession::SendRedirectClient(std::string& ip, uint16 port)
     SendPacket(&pkt);
 }
 
-void WorldSession::ExecuteOpcode( OpcodeHandler& opHandle, WorldPacket* packet )
+void WorldSession::ExecuteOpcode( OpcodeHandler const& opHandle, WorldPacket* packet )
 {
     // need prevent do internal far teleports in handlers because some handlers do lot steps
     // or call code that can do far teleports in some conditions unexpectedly for generic way work code
diff --git a/src/game/WorldSession.h b/src/game/WorldSession.h
index 23ae01646..af857e236 100644
--- a/src/game/WorldSession.h
+++ b/src/game/WorldSession.h
@@ -775,7 +775,7 @@ class MANGOS_DLL_SPEC WorldSession
         // private trade methods
         void moveItems(Item* myItems[], Item* hisItems[]);
 
-        void ExecuteOpcode( OpcodeHandler& opHandle, WorldPacket* packet );
+        void ExecuteOpcode( OpcodeHandler const& opHandle, WorldPacket* packet );
 
         // logging helper
         void LogUnexpectedOpcode(WorldPacket *packet, const char * reason);
diff --git a/src/shared/revision_nr.h b/src/shared/revision_nr.h
index a6b664f8b..b10cee29d 100644
--- a/src/shared/revision_nr.h
+++ b/src/shared/revision_nr.h
@@ -1,4 +1,4 @@
 #ifndef __REVISION_NR_H__
 #define __REVISION_NR_H__
- #define REVISION_NR "10077"
+ #define REVISION_NR "10078"
 #endif // __REVISION_NR_H__