diff --git a/SchematicSystem/src/de/steamwar/schematicsystem/autocheck/AutoChecker.java b/SchematicSystem/src/de/steamwar/schematicsystem/autocheck/AutoChecker.java
index aaf0aa85..19ab4247 100644
--- a/SchematicSystem/src/de/steamwar/schematicsystem/autocheck/AutoChecker.java
+++ b/SchematicSystem/src/de/steamwar/schematicsystem/autocheck/AutoChecker.java
@@ -73,9 +73,11 @@ public class AutoChecker {
                         continue;
                     }
 
+                    BlockPos pos = new BlockPos(x, y, z);
+
                     if (AutoCheckerItems.impl.getInventoryMaterials().contains(material)) {
-                        checkInventory(result, block, material, new BlockPos(x, y, z), type);
-                        if (result.getDispenserItems().get(new BlockPos(x, y, z)) != null && result.getDispenserItems().get(new BlockPos(x, y, z)) > 0) {
+                        checkInventory(result, block, material, pos, type);
+                        if (result.getDispenserItems().getOrDefault(pos, 0) > 0) {
                             result.getBlockCounts().merge(material, 1, Integer::sum);
                         }
                     } else {