diff --git a/src/server/game/Spells/SpellEffects.cpp b/src/server/game/Spells/SpellEffects.cpp
index 730dc9859..634bde4f1 100644
--- a/src/server/game/Spells/SpellEffects.cpp
+++ b/src/server/game/Spells/SpellEffects.cpp
@@ -1997,6 +1997,12 @@ void Spell::EffectEnergizePct(SpellEffIndex effIndex)
     if (!unitTarget->IsAlive())
         return;
 
+    if (unitTarget->HasUnitState(UNIT_STATE_ISOLATED))
+    {
+        m_caster->SendSpellDamageImmune(unitTarget, GetSpellInfo()->Id);
+        return;
+    }
+
     if (m_spellInfo->Effects[effIndex].MiscValue < 0 || m_spellInfo->Effects[effIndex].MiscValue >= int8(MAX_POWERS))
         return;