diff --git a/src/server/game/Spells/SpellInfo.cpp b/src/server/game/Spells/SpellInfo.cpp
index baaf3f1af..c310b5e53 100644
--- a/src/server/game/Spells/SpellInfo.cpp
+++ b/src/server/game/Spells/SpellInfo.cpp
@@ -502,10 +502,13 @@ int32 SpellEffectInfo::CalcValue(Unit const* caster, int32 const* bp, Unit const
 
             if (canEffectScale)
             {
-                GtNPCManaCostScalerEntry const* spellScaler = sGtNPCManaCostScalerStore.LookupEntry(_spellInfo->SpellLevel - 1);
-                GtNPCManaCostScalerEntry const* casterScaler = sGtNPCManaCostScalerStore.LookupEntry(caster->GetLevel() - 1);
-                if (spellScaler && casterScaler)
-                    value *= casterScaler->ratio / spellScaler->ratio;
+                CreatureTemplate const* cInfo = caster->ToCreature()->GetCreatureTemplate();
+
+                CreatureBaseStats const* pCBS = sObjectMgr->GetCreatureBaseStats(caster->GetLevel(), caster->getClass());
+                float CBSPowerCreature = pCBS->BaseDamage[cInfo->expansion];
+                CreatureBaseStats const* spellCBS = sObjectMgr->GetCreatureBaseStats(_spellInfo->SpellLevel, caster->getClass());
+                float CBSPowerSpell = spellCBS->BaseDamage[cInfo->expansion];
+                value *= CBSPowerCreature / CBSPowerSpell;
             }
         }
     }