diff --git a/src/engine/objects/Mob.java b/src/engine/objects/Mob.java
index a3656bb9..cabee966 100644
--- a/src/engine/objects/Mob.java
+++ b/src/engine/objects/Mob.java
@@ -216,84 +216,87 @@ public class Mob extends AbstractIntelligenceAgent {
                     break;
             }
         }
-        switch(mob.mobBase.raceType){
-            case "Aelfborn":
-            case "NPC":
-            case "Rat":
-            case "Reptile":
-            case "Grave":
-            case "Human":
-            case "Goblin":
-            case "CSR":
-            case "Construct":
-            case "Celestial":
-            case "Animal":
-            case "All":
-            case "SiegeEngineer":
-                resists.addResists(new Resists("Generic"));
-                break;
-            case "Aracoix":
-                resists.addResists(Resists.getResists(22));
-                break;
-            case "Centaur":
-                resists.addResists(Resists.getResists(24));
-                break;
-            case "Dragon":
-                resists.addResists(Resists.getResists(10));
-                break;
-            case "Dwarf":
-                resists.addResists(Resists.getResists(25));
-                break;
-            case "Elf":
-                resists.addResists(Resists.getResists(5));
-                break;
-            case "Giant":
-                resists.addResists(Resists.getResists(34));
-                break;
-            case "HalfGiant":
-                resists.addResists(Resists.getResists(6));
-                break;
-            case "Infernal":
-                resists.addResists(Resists.getResists(18));
-                break;
-            case "Insect":
-            case "Pet":
-            case "Summoned":
-                resists.addResists(Resists.getResists(19));
-                break;
-            case "Irekei":
-                resists.addResists(Resists.getResists(12));
-                break;
-            case "Minotaur":
-                resists.addResists(Resists.getResists(13));
-                break;
-            case "Monster":
-                resists.addResists(Resists.getResists(35));
-                break;
-            case "NecroPet":
-                resists.addResists(Resists.getResists(23));
-                break;
-            case "Plant":
-                resists.addResists(Resists.getResists(36));
-                break;
-            case "Shade":
-                resists.addResists(Resists.getResists(26));
-                break;
-            case "Siege":
-                resists.addResists(Resists.getResists(38));
-                break;
-            case "Troll":
-                resists.addResists(Resists.getResists(33));
-                break;
-            case "Undead":
-                resists.addResists(Resists.getResists(27));
-                break;
-            case "Nephilim":
-                resists.addResists(Resists.getResists(7));
-                break;
-            case "Vampire":
-                resists.addResists(Resists.getResists(11));
-                break;
+        int mobbaseID = mob.getMobBaseID();
+        if(mobbaseID != 0) {
+            switch (MobBase.mobbase_race_types.get(mobbaseID)) {
+                case "Aelfborn":
+                case "NPC":
+                case "Rat":
+                case "Reptile":
+                case "Grave":
+                case "Human":
+                case "Goblin":
+                case "CSR":
+                case "Construct":
+                case "Celestial":
+                case "Animal":
+                case "All":
+                case "SiegeEngineer":
+                    resists.addResists(new Resists("Generic"));
+                    break;
+                case "Aracoix":
+                    resists.addResists(Resists.getResists(22));
+                    break;
+                case "Centaur":
+                    resists.addResists(Resists.getResists(24));
+                    break;
+                case "Dragon":
+                    resists.addResists(Resists.getResists(10));
+                    break;
+                case "Dwarf":
+                    resists.addResists(Resists.getResists(25));
+                    break;
+                case "Elf":
+                    resists.addResists(Resists.getResists(5));
+                    break;
+                case "Giant":
+                    resists.addResists(Resists.getResists(34));
+                    break;
+                case "HalfGiant":
+                    resists.addResists(Resists.getResists(6));
+                    break;
+                case "Infernal":
+                    resists.addResists(Resists.getResists(18));
+                    break;
+                case "Insect":
+                case "Pet":
+                case "Summoned":
+                    resists.addResists(Resists.getResists(19));
+                    break;
+                case "Irekei":
+                    resists.addResists(Resists.getResists(12));
+                    break;
+                case "Minotaur":
+                    resists.addResists(Resists.getResists(13));
+                    break;
+                case "Monster":
+                    resists.addResists(Resists.getResists(35));
+                    break;
+                case "NecroPet":
+                    resists.addResists(Resists.getResists(23));
+                    break;
+                case "Plant":
+                    resists.addResists(Resists.getResists(36));
+                    break;
+                case "Shade":
+                    resists.addResists(Resists.getResists(26));
+                    break;
+                case "Siege":
+                    resists.addResists(Resists.getResists(38));
+                    break;
+                case "Troll":
+                    resists.addResists(Resists.getResists(33));
+                    break;
+                case "Undead":
+                    resists.addResists(Resists.getResists(27));
+                    break;
+                case "Nephilim":
+                    resists.addResists(Resists.getResists(7));
+                    break;
+                case "Vampire":
+                    resists.addResists(Resists.getResists(11));
+                    break;
+            }
         }
         mob.mobResists = resists;
     }