diff --git a/src/server/game/Spells/Auras/SpellAuraDefines.h b/src/server/game/Spells/Auras/SpellAuraDefines.h
index 8c8e76101a..3007acdc28 100644
--- a/src/server/game/Spells/Auras/SpellAuraDefines.h
+++ b/src/server/game/Spells/Auras/SpellAuraDefines.h
@@ -548,7 +548,8 @@ enum AuraType
     SPELL_AURA_488                                          = 488,
     SPELL_AURA_489                                          = 489,
     SPELL_AURA_490                                          = 490,
-    TOTAL_AURAS                                             = 491
+    SPELL_AURA_491                                          = 491,
+    TOTAL_AURAS                                             = 492
 };
 
 enum AuraObjectType
diff --git a/src/server/game/Spells/Auras/SpellAuraEffects.cpp b/src/server/game/Spells/Auras/SpellAuraEffects.cpp
index 9f337a945b..e514f27e64 100644
--- a/src/server/game/Spells/Auras/SpellAuraEffects.cpp
+++ b/src/server/game/Spells/Auras/SpellAuraEffects.cpp
@@ -550,6 +550,7 @@ pAuraEffectHandler AuraEffectHandler[TOTAL_AURAS]=
     &AuraEffect::HandleNULL,                                      //488
     &AuraEffect::HandleNULL,                                      //489
     &AuraEffect::HandleNULL,                                      //490
+    &AuraEffect::HandleNULL,                                      //491
 };
 
 AuraEffect::AuraEffect(Aura* base, uint32 effIndex, int32 *baseAmount, Unit* caster) :
diff --git a/src/server/game/Spells/SpellMgr.cpp b/src/server/game/Spells/SpellMgr.cpp
index 13d03c4ee5..a34836ad42 100644
--- a/src/server/game/Spells/SpellMgr.cpp
+++ b/src/server/game/Spells/SpellMgr.cpp
@@ -2655,11 +2655,11 @@ void SpellMgr::LoadSpellInfoStore()
 
     for (SpellEffectEntry const* effect : sSpellEffectStore)
     {
-        ASSERT(effect->EffectIndex < MAX_SPELL_EFFECTS, "MAX_SPELL_EFFECTS must be at least %u", effect->EffectIndex);
-        ASSERT(effect->Effect < TOTAL_SPELL_EFFECTS, "TOTAL_SPELL_EFFECTS must be at least %u", effect->Effect);
-        ASSERT(effect->EffectAura < TOTAL_AURAS, "TOTAL_AURAS must be at least %u", effect->EffectAura);
-        ASSERT(effect->ImplicitTarget[0] < TOTAL_SPELL_TARGETS, "TOTAL_SPELL_TARGETS must be at least %u", effect->ImplicitTarget[0]);
-        ASSERT(effect->ImplicitTarget[1] < TOTAL_SPELL_TARGETS, "TOTAL_SPELL_TARGETS must be at least %u", effect->ImplicitTarget[1]);
+        ASSERT(effect->EffectIndex < MAX_SPELL_EFFECTS, "MAX_SPELL_EFFECTS must be at least %u", effect->EffectIndex + 1);
+        ASSERT(effect->Effect < TOTAL_SPELL_EFFECTS, "TOTAL_SPELL_EFFECTS must be at least %u", effect->Effect + 1);
+        ASSERT(effect->EffectAura < TOTAL_AURAS, "TOTAL_AURAS must be at least %u", effect->EffectAura + 1);
+        ASSERT(effect->ImplicitTarget[0] < TOTAL_SPELL_TARGETS, "TOTAL_SPELL_TARGETS must be at least %u", effect->ImplicitTarget[0] + 1);
+        ASSERT(effect->ImplicitTarget[1] < TOTAL_SPELL_TARGETS, "TOTAL_SPELL_TARGETS must be at least %u", effect->ImplicitTarget[1] + 1);
 
         SpellEffectEntryVector& effectsForDifficulty = effectsBySpell[effect->SpellID][effect->DifficultyID];
         if (effectsForDifficulty.size() <= effect->EffectIndex)