diff --git a/src/BasicPathFinding.cs b/src/BasicPathFinding.cs
index 8a03b60..5d1e5e8 100644
--- a/src/BasicPathFinding.cs
+++ b/src/BasicPathFinding.cs
@@ -141,16 +141,18 @@ namespace OpenSim.Modules.PathFinding
 
             for (int X = 0; X < m_scene.RegionInfo.RegionSizeX; X++)
             {
-                
                 for (int Y = 0; Y < m_scene.RegionInfo.RegionSizeY; Y++)
                 {
+                    int _imageX = (int)m_scene.RegionInfo.RegionSizeX - X;
+                    int _imageY = (int)m_scene.RegionInfo.RegionSizeY - Y;
+
                     float baseheight = (float)m_scene.Heightmap[X, Y];
 
                     if (baseheight <= m_scene.RegionInfo.RegionSettings.WaterHeight)
-                        _map.SetPixel(X, Y, Color.Blue);
+                        _map.SetPixel(_imageX, _imageY, Color.Blue);
 
                     if (baseheight > m_scene.RegionInfo.RegionSettings.WaterHeight)
-                        _map.SetPixel(X, Y, Color.Green);
+                        _map.SetPixel(_imageX, _imageY, Color.Green);
                 }
             }