diff --git a/src/server/scripts/Outland/TempestKeep/Eye/boss_kaelthas.cpp b/src/server/scripts/Outland/TempestKeep/Eye/boss_kaelthas.cpp
index 6bfb68416..a9ba7d96e 100644
--- a/src/server/scripts/Outland/TempestKeep/Eye/boss_kaelthas.cpp
+++ b/src/server/scripts/Outland/TempestKeep/Eye/boss_kaelthas.cpp
@@ -498,8 +498,12 @@ struct boss_kaelthas : public BossAI
                 {
                     summons.DespawnEntry(NPC_NETHER_VAPOR);
                     scheduler.CancelGroup(GROUP_NETHER_BEAM);
-                    me->SetTarget(me->GetVictim()->GetGUID());
-                    me->GetMotionMaster()->MoveChase(me->GetVictim());
+
+                    if (Unit* victim = me->GetVictim())
+                    {
+                        me->SetTarget(victim->GetGUID());
+                        me->GetMotionMaster()->MoveChase(victim);
+                    }
                 });
                 me->SetTarget();
                 me->GetMotionMaster()->Clear();