diff --git a/src/server/game/Entities/Creature/Creature.cpp b/src/server/game/Entities/Creature/Creature.cpp
index b0bee5810..872d337aa 100644
--- a/src/server/game/Entities/Creature/Creature.cpp
+++ b/src/server/game/Entities/Creature/Creature.cpp
@@ -3328,12 +3328,14 @@ bool Creature::CanPeriodicallyCallForAssistance() const
     if (!IsInCombat())
         return false;
 
-    // Unable to call for assistance
     if (HasUnitState(UNIT_STATE_DIED | UNIT_STATE_POSSESSED))
         return false;
 
     if (!CanHaveThreatList())
         return false;
 
+    if (IsSummon() && GetMap()->Instanceable())
+        return false;
+
     return true;
 }