diff --git a/BauSystem_Main/src/de/steamwar/bausystem/region/Region.java b/BauSystem_Main/src/de/steamwar/bausystem/region/Region.java
index 17ba6b10..e06b8006 100644
--- a/BauSystem_Main/src/de/steamwar/bausystem/region/Region.java
+++ b/BauSystem_Main/src/de/steamwar/bausystem/region/Region.java
@@ -90,7 +90,7 @@ public class Region {
             return;
         }
 
-        if (!prototypes.contains(prototype)) {
+        if (this.prototype != null && !prototypes.contains(prototype)) {
             return;
         }
         this.prototype = prototype;