diff --git a/src/server/scripts/Spells/spell_shaman.cpp b/src/server/scripts/Spells/spell_shaman.cpp
index 7f7a7e62e..e58747dbe 100644
--- a/src/server/scripts/Spells/spell_shaman.cpp
+++ b/src/server/scripts/Spells/spell_shaman.cpp
@@ -154,7 +154,15 @@ public:
 
             uint32 triggered_spell_id = 70809;
             SpellInfo const* triggeredSpell = sSpellMgr->GetSpellInfo(triggered_spell_id);
-            int32 amount = CalculatePct(eventInfo.GetDamageInfo()->GetDamage(), aurEff->GetAmount()) / triggeredSpell->GetMaxTicks();
+
+            HealInfo* healInfo = eventInfo.GetHealInfo();
+
+            if (!healInfo || !triggeredSpell)
+            {
+                return;
+            }
+
+            int32 amount = CalculatePct(healInfo->GetHeal(), aurEff->GetAmount()) / triggeredSpell->GetMaxTicks();
             eventInfo.GetProcTarget()->CastDelayedSpellWithPeriodicAmount(GetTarget(), triggered_spell_id, SPELL_AURA_PERIODIC_HEAL, amount, EFFECT_0);
         }