diff --git a/Source/Game/Spells/SpellInfo.cs b/Source/Game/Spells/SpellInfo.cs
index 81474a8ba..baf756cbb 100644
--- a/Source/Game/Spells/SpellInfo.cs
+++ b/Source/Game/Spells/SpellInfo.cs
@@ -3600,6 +3600,7 @@ namespace Game.Spells
                     case AuraType.ModAttackerRangedCritChance:
                     case AuraType.ModAttackerSpellAndWeaponCritChance:
                     case AuraType.Dummy:
+                    case AuraType.PeriodicDummy:
                     case AuraType.ModHealing:
                         // check target for positive and negative spells
                         if (!_isPositiveTarget(effect))