diff --git a/java/org/artisanlogiciel/games/maze/Maze.java b/java/org/artisanlogiciel/games/maze/Maze.java
index e7f1a67..a7afe29 100644
--- a/java/org/artisanlogiciel/games/maze/Maze.java
+++ b/java/org/artisanlogiciel/games/maze/Maze.java
@@ -307,9 +307,11 @@ public class Maze {
                         OsmReader reader = new OsmReader(infile.getCanonicalPath());
                         reader.read();
                         OsmToDrawing converter = new OsmToDrawing(reader, mulx,muly);
-                        Drawing drawing = converter.getDrawing(reader.getWays());
+                        Drawing ways = converter.getDrawing(reader.getWays());
+                        Drawing buildings = converter.getDrawing(reader.getBuildings());
                         setStatusEnable(false);
-                        addDrawing(drawing,add);
+                        addDrawing(ways,add);
+                        addDrawing(buildings,add);
                         setStatusEnable(true);
                     } catch (IOException io) {
                         io.printStackTrace(System.err);