diff --git a/src/server/scripts/Spells/spell_dk.cpp b/src/server/scripts/Spells/spell_dk.cpp
index 12d8add1693..d2e229b8bd1 100644
--- a/src/server/scripts/Spells/spell_dk.cpp
+++ b/src/server/scripts/Spells/spell_dk.cpp
@@ -568,7 +568,7 @@ class spell_dk_festering_strike : public SpellScript
 
     void Register() override
     {
-        OnEffectHitTarget += SpellEffectFn(spell_dk_festering_strike::HandleScriptEffect, EFFECT_2, SPELL_EFFECT_DUMMY);
+        OnEffectHitTarget += SpellEffectFn(spell_dk_festering_strike::HandleScriptEffect, EFFECT_1, SPELL_EFFECT_DUMMY);
     }
 };