diff --git a/SchematicSystem/SchematicSystem_15/src/de/steamwar/schematicsystem/autocheck/AutoChecker15.java b/SchematicSystem/SchematicSystem_15/src/de/steamwar/schematicsystem/autocheck/AutoChecker15.java
index d6189931..8ed1bd4c 100644
--- a/SchematicSystem/SchematicSystem_15/src/de/steamwar/schematicsystem/autocheck/AutoChecker15.java
+++ b/SchematicSystem/SchematicSystem_15/src/de/steamwar/schematicsystem/autocheck/AutoChecker15.java
@@ -53,7 +53,7 @@ public class AutoChecker15 implements AutoChecker.IAutoChecker {
                         checkInventory(result, block, material, new BlockPos(x, y, z));
                     }
 
-                    if(x == 0 || x == max.getBlockX() - 1 || y == max.getBlockY() - 1 || z == 0 || z == max.getBlockZ() - 1) {
+                    if(x == min.getBlockX() || x == max.getBlockX() || y == max.getBlockY() || z == min.getBlockZ() || z == max.getBlockZ()) {
                         result.getDesignBlocks().computeIfAbsent(material, m -> new ArrayList<>()).add(new BlockPos(x, y, z));
                     }
                 }