diff --git a/src/server/game/Globals/ObjectMgr.h b/src/server/game/Globals/ObjectMgr.h
index 5c54e31951c..12cd2a1982a 100644
--- a/src/server/game/Globals/ObjectMgr.h
+++ b/src/server/game/Globals/ObjectMgr.h
@@ -1062,7 +1062,7 @@ class TC_GAME_API ObjectMgr
 
         void LoadVendors();
         void LoadTrainerSpell();
-        void AddSpellToTrainer(uint32 entry, uint32 spell, uint32 spellCost, uint32 reqSkill, uint32 reqSkillValue, uint32 reqLevel);
+        void AddSpellToTrainer(uint32 entry, uint32 spell, uint32 spellCost, uint32 reqSkill, uint32 reqSkillValue, uint32 reqLevel, uint32 Index);
 
         void LoadTerrainPhaseInfo();
         void LoadTerrainSwapDefaults();