diff --git a/BauSystem_Main/src/de/steamwar/bausystem/world/Region.java b/BauSystem_Main/src/de/steamwar/bausystem/world/Region.java
index a2a9c48..2dfa4f8 100644
--- a/BauSystem_Main/src/de/steamwar/bausystem/world/Region.java
+++ b/BauSystem_Main/src/de/steamwar/bausystem/world/Region.java
@@ -195,6 +195,14 @@ public class Region {
         prototype.protect(this, schem);
     }
 
+    public boolean hasExtensionAreaRegistered() {
+        return prototype.extensionPrototypeArea;
+    }
+
+    public boolean hasTestblockExtensionAreaRegistered() {
+        return prototype.testblock.extensionPrototypeArea;
+    }
+
     public static class GlobalRegion extends Region {
 
         private static final GlobalRegion GLOBAL_REGION = new GlobalRegion();
@@ -248,6 +256,7 @@ public class Region {
         private final int extensionNegativeZ;
         private final int extensionPositiveY;
         private final int extensionAxisX;
+        private final boolean extensionPrototypeArea;
 
         private final String schematic;
         private final boolean rotate;
@@ -271,6 +280,9 @@ public class Region {
             extensionAxisX = config.getInt("extensionAxisX", 0);
             if (config.contains("extensionPositiveZ") || config.contains("extensionNegativeZ") || config.contains("extensionPositiveY") || config.contains("extensionAxisX")) {
                 extensionArea = true;
+                extensionPrototypeArea = true;
+            } else {
+                extensionPrototypeArea = false;
             }
             rotate = config.getBoolean("rotate", false);