diff --git a/java/org/artisanlogiciel/games/maze/gui/Display.java b/java/org/artisanlogiciel/games/maze/gui/Display.java
index 15f94f8..f6649bb 100644
--- a/java/org/artisanlogiciel/games/maze/gui/Display.java
+++ b/java/org/artisanlogiciel/games/maze/gui/Display.java
@@ -4,7 +4,7 @@ import org.artisanlogiciel.games.maze.DrawingGenerator;
 import org.artisanlogiciel.games.maze.LabyModel;
 import org.artisanlogiciel.games.maze.MazeParams;
 import org.artisanlogiciel.games.maze.MazeParamsFixed;
-import org.artisanlogiciel.games.maze.persist.MazePeristWorldEdit;
+import org.artisanlogiciel.games.maze.persist.MazePersistWorldEdit;
 import org.artisanlogiciel.games.maze.persist.MazePersistRaw;
 import org.artisanlogiciel.games.maze.solve.SolvingModel;
 import org.artisanlogiciel.games.stl.Maze3dParams;
@@ -780,7 +780,7 @@ implements StatusListener
             addStatus("Saving we to " + outfile + " ...");
             try {
                 FileOutputStream out = new FileOutputStream(outfile);
-                new MazePeristWorldEdit(model).streamOut("we", out);
+                new MazePersistWorldEdit(model).streamOut("we", out);
                 out.close();
                 addStatus("... Done.");
             } catch (IOException io) {
diff --git a/java/org/artisanlogiciel/games/maze/persist/MazePeristWorldEdit.java b/java/org/artisanlogiciel/games/maze/persist/MazePersistWorldEdit.java
similarity index 85%
rename from java/org/artisanlogiciel/games/maze/persist/MazePeristWorldEdit.java
rename to java/org/artisanlogiciel/games/maze/persist/MazePersistWorldEdit.java
index 1342cfe..1ce638d 100644
--- a/java/org/artisanlogiciel/games/maze/persist/MazePeristWorldEdit.java
+++ b/java/org/artisanlogiciel/games/maze/persist/MazePersistWorldEdit.java
@@ -6,13 +6,13 @@ import org.artisanlogiciel.games.minetest.Node;
 import org.artisanlogiciel.games.minetest.WorlEditGenerator;
 import java.io.*;
 
-public class MazePeristWorldEdit {
+public class MazePersistWorldEdit {
 
     private LabyModel model;
     private WorlEditGenerator generator;
     private static final String GRASS_MATERIAL = "default:dirt_with_grass";
 
-    public MazePeristWorldEdit(LabyModel model) {
+    public MazePersistWorldEdit(LabyModel model) {
         this.model = model;
     }
 
@@ -40,11 +40,14 @@ public class MazePeristWorldEdit {
         int y = oy + (int) (pY * h);
 
         // copied from drawing, where order did matter, might not be the case here...
-        if ((pY == 0) && LabyModel.isFlagSet(walls, Brick.UP)) {
-            addNode(new Node(x,y,z,material));
-            addNode(new Node(x + (int) w,y,z,material));
+        //if ((pY == 0) && LabyModel.isFlagSet(walls, Brick.UP)) {
+        if (LabyModel.isFlagSet(walls, Brick.UP)) {
+            for ( int dx = 0; dx < w; dx++) {
+                addNode(new Node(x + dx, y, z, material));
+            }
             wdrawn |= Brick.UP;
         }
+        /*
         if (LabyModel.isFlagSet(walls, Brick.RIGHT)) {
             if (!LabyModel.isFlagSet(wdrawn, Brick.UP)) {
                 addNode(new Node(x + (int) w, y, 0, material));
@@ -59,11 +62,12 @@ public class MazePeristWorldEdit {
             addNode(new Node(x, y + (int) h, z, material));
             wdrawn |= Brick.DOWN;
         }
-        if ((pX == 0) && LabyModel.isFlagSet(walls, Brick.LEFT)) {
-            if (!LabyModel.isFlagSet(wdrawn, Brick.DOWN)) {
-                addNode(new Node(x, y + (int) h, z, material));
+        */
+        //if ((pX == 0) && LabyModel.isFlagSet(walls, Brick.LEFT)) {
+        if (LabyModel.isFlagSet(walls, Brick.LEFT)) {
+            for (int dy = 0; dy < h; dy ++) {
+                addNode(new Node(x, y + dy, z, material));
             }
-            addNode(new Node(x, y, z, material));
             wdrawn |= Brick.LEFT;
         }
     }