diff --git a/src/main/java/org/kapelle/multiblock/MultiblockStructure.java b/src/main/java/org/kapelle/multiblock/MultiblockStructure.java
index ed63fa9..b76dd3b 100644
--- a/src/main/java/org/kapelle/multiblock/MultiblockStructure.java
+++ b/src/main/java/org/kapelle/multiblock/MultiblockStructure.java
@@ -18,16 +18,16 @@ public class MultiblockStructure {
     }
 
     public BlockComponent getComponent(int x, int y, int z){
-        return structure.get(x).get(y).get(z);
+        return structure.get(y).get(z).get(x);
     }
 
     public boolean isValid(Location location, BlockVector offset){
-        for (int x = 0; x < structure.size(); x++) {
-            for (int y = 0; y < structure.get(x).size(); y++) {
-                for (int z = 0; z < structure.get(x).get(y).size(); z++) {
+        for (int y = 0; y < structure.size(); y++) {
+            for (int z = 0; z < structure.get(y).size(); z++) {
+                for (int x = 0; x < structure.get(y).get(z).size() ; x++) {
 
                     BlockComponent currentComponent = getComponent(x,y,z);
-                    Location globalBlockLocation = location.clone().subtract(offset);
+                    Location globalBlockLocation = location.clone().subtract(offset).add(new BlockVector(x,y,z));
 
                     if(!currentComponent.isValidBlock(globalBlockLocation)){
                         return false;