2 files changed, 4 insertions, 4 deletions
diff --git a/src/server/game/Entities/Unit/Unit.cpp b/src/server/game/Entities/Unit/Unit.cpp
index c88f18d9131..dc70781a0f3 100755
--- a/src/server/game/Entities/Unit/Unit.cpp
+++ b/src/server/game/Entities/Unit/Unit.cpp
@@ -13042,16 +13042,16 @@ int32 Unit::CalcSpellDuration(SpellInfo const* spellProto)
     return duration;
 }
 
-int32 Unit::ModSpellDuration(SpellInfo const* spellProto, Unit const* target, int32 duration, bool positive)
+int32 Unit::ModSpellDuration(SpellInfo const* spellProto, Unit const* target, int32 duration, bool positive, uint32 effectMask)
 {
-    // don't mod permament auras duration
+    // don't mod permanent auras duration
     if (duration < 0)
         return duration;
 
     // cut duration only of negative effects
     if (!positive)
     {
-        int32 mechanic = spellProto->GetAllEffectsMechanicMask();
+        int32 mechanic = spellProto->GetSpellMechanicMaskByEffectMask(effectMask);
 
         int32 durationMod;
         int32 durationMod_always = 0;
diff --git a/src/server/game/Entities/Unit/Unit.h b/src/server/game/Entities/Unit/Unit.h
index 064542bb013..39b07d885f6 100755
--- a/src/server/game/Entities/Unit/Unit.h
+++ b/src/server/game/Entities/Unit/Unit.h
@@ -2068,7 +2068,7 @@ class Unit : public WorldObject
         float ApplyEffectModifiers(SpellInfo const* spellProto, uint8 effect_index, float value) const;
         int32 CalculateSpellDamage(Unit const* target, SpellInfo const* spellProto, uint8 effect_index, int32 const* basePoints = NULL) const;
         int32 CalcSpellDuration(SpellInfo const* spellProto);
-        int32 ModSpellDuration(SpellInfo const* spellProto, Unit const* target, int32 duration, bool positive);
+        int32 ModSpellDuration(SpellInfo const* spellProto, Unit const* target, int32 duration, bool positive, uint32 effectMask);
         void  ModSpellCastTime(SpellInfo const* spellProto, int32 & castTime, Spell* spell=NULL);
         float CalculateLevelPenalty(SpellInfo const* spellProto) const;