diff --git a/src/server/scripts/Northrend/Nexus/Nexus/boss_magus_telestra.cpp b/src/server/scripts/Northrend/Nexus/Nexus/boss_magus_telestra.cpp
index e0c82fd6e..90781cfbc 100644
--- a/src/server/scripts/Northrend/Nexus/Nexus/boss_magus_telestra.cpp
+++ b/src/server/scripts/Northrend/Nexus/Nexus/boss_magus_telestra.cpp
@@ -94,6 +94,8 @@ struct boss_magus_telestra : public BossAI
 
         if (IsHeroic() && sGameEventMgr->IsActiveEvent(GAME_EVENT_WINTER_VEIL) && !me->HasAura(SPELL_WEAR_CHRISTMAS_HAT))
             me->AddAura(SPELL_WEAR_CHRISTMAS_HAT, me);
+
+        SetInvincibility(false);
     }
 
     uint32 GetData(uint32 data) const override
@@ -184,6 +186,7 @@ struct boss_magus_telestra : public BossAI
         case EVENT_MAGUS_HEALTH2:
             if (me->HealthBelowPct(11))
             {
+                SetInvincibility(true);
                 me->CastSpell(me, SPELL_START_SUMMON_CLONES, false);
                 events.ScheduleEvent(EVENT_MAGUS_RELOCATE, 3500ms);
                 Talk(SAY_SPLIT);
@@ -214,6 +217,7 @@ struct boss_magus_telestra : public BossAI
             me->CastSpell(me, SPELL_TELESTRA_BACK, true);
             me->RemoveAllAuras();
             Talk(SAY_MERGE);
+            SetInvincibility(false);
             break;
         }