diff --git a/L2J_Mobius_C6_Interlude/java/org/l2jmobius/gameserver/model/actor/knownlist/WorldObjectKnownList.java b/L2J_Mobius_C6_Interlude/java/org/l2jmobius/gameserver/model/actor/knownlist/WorldObjectKnownList.java
index 274903e13a..a3b7905e8c 100644
--- a/L2J_Mobius_C6_Interlude/java/org/l2jmobius/gameserver/model/actor/knownlist/WorldObjectKnownList.java
+++ b/L2J_Mobius_C6_Interlude/java/org/l2jmobius/gameserver/model/actor/knownlist/WorldObjectKnownList.java
@@ -138,7 +138,7 @@ public class WorldObjectKnownList
 				}
 			}
 		}
-		else
+		else if (_activeObject != null)
 		{
 			// Go through all visible WorldObject near the Creature
 			for (WorldObject playable : World.getInstance().getVisiblePlayers(_activeObject))