diff --git a/src/server/game/Spells/Auras/SpellAuraEffects.cpp b/src/server/game/Spells/Auras/SpellAuraEffects.cpp
index aed415b0a9..ac51fff81f 100755
--- a/src/server/game/Spells/Auras/SpellAuraEffects.cpp
+++ b/src/server/game/Spells/Auras/SpellAuraEffects.cpp
@@ -3341,7 +3341,7 @@ void AuraEffect::HandleModStateImmunityMask(AuraApplication const* aurApp, uint8
 
     Unit* target = aurApp->GetTarget();
     std::list <AuraType> aura_immunity_list;
-    uint32 mechanic_immunity_list;
+    uint32 mechanic_immunity_list = 0;
     int32 miscVal = GetMiscValue();
 
     switch (miscVal)