diff --git a/src/engine/mobileAI/MobAI.java b/src/engine/mobileAI/MobAI.java
index b4cc9fd4..e19ece34 100644
--- a/src/engine/mobileAI/MobAI.java
+++ b/src/engine/mobileAI/MobAI.java
@@ -109,7 +109,7 @@ public class MobAI {
                 return;
             }
 
-            if (mob.behaviourType.callsForHelp)
+            if (mob.behaviourType != null && mob.behaviourType.callsForHelp)
                 mobCallForHelp(mob);
 
             if (!MovementUtilities.inRangeDropAggro(mob, target)) {