diff --git a/build.gradle b/build.gradle
index 5b74c6a4c..2a2dcb734 100644
--- a/build.gradle
+++ b/build.gradle
@@ -19,7 +19,7 @@ group = "de.ellpeck.actuallyadditions"
 archivesBaseName = "ActuallyAdditions"
 
 minecraft {
-    version = "1.9.4-12.17.0.1951"
+    version = "1.9.4-12.17.0.1957"
     runDir = "idea"
 
     mappings = "snapshot_20160519"
diff --git a/src/main/java/de/ellpeck/actuallyadditions/mod/blocks/BlockLaserRelay.java b/src/main/java/de/ellpeck/actuallyadditions/mod/blocks/BlockLaserRelay.java
index 63703a849..54f1c0c60 100644
--- a/src/main/java/de/ellpeck/actuallyadditions/mod/blocks/BlockLaserRelay.java
+++ b/src/main/java/de/ellpeck/actuallyadditions/mod/blocks/BlockLaserRelay.java
@@ -28,11 +28,22 @@ import net.minecraft.item.ItemStack;
 import net.minecraft.tileentity.TileEntity;
 import net.minecraft.util.EnumFacing;
 import net.minecraft.util.EnumHand;
+import net.minecraft.util.math.AxisAlignedBB;
 import net.minecraft.util.math.BlockPos;
+import net.minecraft.world.IBlockAccess;
 import net.minecraft.world.World;
 
 public class BlockLaserRelay extends BlockContainerBase{
 
+    //This took way too much fiddling around. I'm not good with numbers.
+    private static final float F = 1/16F;
+    private static final AxisAlignedBB AABB_UP = new AxisAlignedBB(2*F, 0, 2*F, 1-2*F, 1-F, 1-2*F);
+    private static final AxisAlignedBB AABB_DOWN = new AxisAlignedBB(2*F, F, 2*F, 1-2*F, 1, 1-2*F);
+    private static final AxisAlignedBB AABB_NORTH = new AxisAlignedBB(2*F, F, F, 1-2*F, 1-F, 1);
+    private static final AxisAlignedBB AABB_EAST = new AxisAlignedBB(0, F, 2*F, 1-F, 1-F, 1-2*F);
+    private static final AxisAlignedBB AABB_SOUTH = new AxisAlignedBB(2*F, F, 0, 1-2*F, 1-F, 1-F);
+    private static final AxisAlignedBB AABB_WEST = new AxisAlignedBB(F, F, 2*F, 1, 1-F, 1-2*F);
+
     private static final PropertyInteger META = PropertyInteger.create("meta", 0, 5);
     private final Type type;
 
@@ -46,6 +57,24 @@ public class BlockLaserRelay extends BlockContainerBase{
         this.type = type;
     }
 
+    @Override
+    public AxisAlignedBB getBoundingBox(IBlockState state, IBlockAccess source, BlockPos pos){
+        switch(this.getMetaFromState(state)){
+            case 1:
+                return AABB_UP;
+            case 2:
+                return AABB_NORTH;
+            case 3:
+                return AABB_SOUTH;
+            case 4:
+                return AABB_WEST;
+            case 5:
+                return AABB_EAST;
+            default:
+                return AABB_DOWN;
+        }
+    }
+
     @Override
     public boolean isFullCube(IBlockState state){
         return false;