diff --git a/src/server/game/Entities/Creature/Creature.cpp b/src/server/game/Entities/Creature/Creature.cpp
index 07e8e37e82..4d54d1599a 100755
--- a/src/server/game/Entities/Creature/Creature.cpp
+++ b/src/server/game/Entities/Creature/Creature.cpp
@@ -1676,11 +1676,15 @@ bool Creature::IsImmunedToSpell(SpellInfo const* spellInfo)
     // the check of mechanic immunity on DB (tested) because GetCreatureTemplate()->MechanicImmuneMask and m_spellImmune[IMMUNITY_MECHANIC] don't have same data.
     bool immunedToAllEffects = true;
     for (uint8 i = 0; i < MAX_SPELL_EFFECTS; ++i)
+    {
+        if (!spellInfo->Effects[i].IsEffect())
+            continue;
         if (!IsImmunedToSpellEffect(spellInfo, i))
         {
             immunedToAllEffects = false;
             break;
         }
+    }
     if (immunedToAllEffects)
         return true;
 
diff --git a/src/server/game/Entities/Unit/Unit.cpp b/src/server/game/Entities/Unit/Unit.cpp
index 2646eae535..a261a63349 100755
--- a/src/server/game/Entities/Unit/Unit.cpp
+++ b/src/server/game/Entities/Unit/Unit.cpp
@@ -11457,6 +11457,8 @@ bool Unit::IsImmunedToSpell(SpellInfo const* spellInfo)
     {
         // State/effect immunities applied by aura expect full spell immunity
         // Ignore effects with mechanic, they are supposed to be checked separately
+        if (!spellInfo->Effects[i].IsEffect())
+            continue;
         if (!IsImmunedToSpellEffect(spellInfo, i))
         {
             immuneToAllEffects = false;