diff --git a/zone/mob.cpp b/zone/mob.cpp
index 9ae5be42f..ce966726c 100644
--- a/zone/mob.cpp
+++ b/zone/mob.cpp
@@ -3702,9 +3702,6 @@ void Mob::TryTwincast(Mob *caster, Mob *target, uint32 spell_id)
 	if(!IsValidSpell(spell_id))
 		return;
 
-	if (IsEffectInSpell(spell_id, SE_TwinCastBlocker))
-		return;
-
 	if(IsClient())
 	{
 		int32 focus = CastToClient()->GetFocusEffect(focusTwincast, spell_id);
diff --git a/zone/spell_effects.cpp b/zone/spell_effects.cpp
index a5c61fb5d..eb75c7892 100644
--- a/zone/spell_effects.cpp
+++ b/zone/spell_effects.cpp
@@ -4812,7 +4812,7 @@ int16 Client::CalcAAFocus(focusType type, const AA::Rank &rank, uint16 spell_id)
 			break;
 
 		case SE_FcTwincast:
-			if (type == focusTwincast)
+			if (type == focusTwincast && !IsEffectInSpell(spell_id, SE_TwinCastBlocker))
 				value = base1;
 			break;
 
@@ -5382,7 +5382,7 @@ int16 Mob::CalcFocusEffect(focusType type, uint16 focus_id, uint16 spell_id, boo
 			break;
 
 		case SE_FcTwincast:
-			if (type == focusTwincast)
+			if (type == focusTwincast && !IsEffectInSpell(spell_id, SE_TwinCastBlocker))
 				value = focus_spell.base[i];
 			break;