diff --git a/src/server/scripts/Spells/spell_mage.cpp b/src/server/scripts/Spells/spell_mage.cpp
index 5bfdedf717d..267f8e4e615 100644
--- a/src/server/scripts/Spells/spell_mage.cpp
+++ b/src/server/scripts/Spells/spell_mage.cpp
@@ -664,7 +664,7 @@ class spell_mage_frostbolt : public SpellScript
 
     void Register() override
     {
-        BeforeCast += SpellCastFn(spell_mage_frostbolt::HandleEarlyFrost);
+        OnSpellStart += SpellCastFn(spell_mage_frostbolt::HandleEarlyFrost);
         OnEffectHitTarget += SpellEffectFn(spell_mage_frostbolt::RecalculateDamage, EFFECT_1, SPELL_EFFECT_SCHOOL_DAMAGE);
     }