diff --git a/BauSystem_Main/src/de/steamwar/bausystem/features/slaves/panzern/algorithms/PowerableActivation.java b/BauSystem_Main/src/de/steamwar/bausystem/features/slaves/panzern/algorithms/PowerableActivation.java
index 0fc5d4d4..121e97c4 100644
--- a/BauSystem_Main/src/de/steamwar/bausystem/features/slaves/panzern/algorithms/PowerableActivation.java
+++ b/BauSystem_Main/src/de/steamwar/bausystem/features/slaves/panzern/algorithms/PowerableActivation.java
@@ -41,17 +41,20 @@ public class PowerableActivation implements PanzernAlgorithm {
     public PanzernResult check(Block source, Map<BlockFace, Block> adjacent, Set<Material> adjacentMaterials) {
         int powered = 0;
         int powerable = 0;
-        for (BlockFace blockFace : HORIZONTAL_FACES) {
+        for (BlockFace blockFace : BLOCK_FACES) {
             if (!adjacent.containsKey(blockFace)) {
                 continue;
             }
             Block block = adjacent.get(blockFace);
-            if (block.getBlockData() instanceof Powerable || block.getBlockData() instanceof AnaloguePowerable && block.getType() != Material.OBSERVER) {
+            if ((block.getType() == Material.HOPPER || block.getBlockData() instanceof Powerable || block.getBlockData() instanceof AnaloguePowerable) && block.getType() != Material.OBSERVER) {
                 powerable++;
             }
             if (block.getType() == Material.TNT) {
                 powerable++;
             }
+            if (blockFace == BlockFace.DOWN || blockFace == BlockFace.UP) {
+                continue;
+            }
             switch (block.getType()) {
                 case REDSTONE_WIRE:
                     RedstoneWire redstoneWire = (RedstoneWire) block.getBlockData();
diff --git a/BauSystem_Main/src/de/steamwar/bausystem/features/smartplace/SmartPlaceListener.java b/BauSystem_Main/src/de/steamwar/bausystem/features/smartplace/SmartPlaceListener.java
index 84b0053c..7ee8fd45 100644
--- a/BauSystem_Main/src/de/steamwar/bausystem/features/smartplace/SmartPlaceListener.java
+++ b/BauSystem_Main/src/de/steamwar/bausystem/features/smartplace/SmartPlaceListener.java
@@ -96,7 +96,7 @@ public class SmartPlaceListener implements Listener {
             return;
         }
 
-        if (event.getClickedBlock().getType() == event.getMaterial()) {
+        if (event.getClickedBlock().getType() == event.getMaterial() || event.getMaterial() == Material.HOPPER) {
             if (!(event.getClickedBlock().getState() instanceof InventoryHolder)) {
                 return;
             }