diff --git a/src/PathFinder.cs b/src/PathFinder.cs
index e9bc14f..6c0f54c 100644
--- a/src/PathFinder.cs
+++ b/src/PathFinder.cs
@@ -52,6 +52,16 @@ namespace OpenSim.Modules.PathFinding
                     }
                 }
             }
+            else
+            {
+                for (int X = 0; X < m_scene.RegionInfo.RegionSizeX; X++)
+                {
+                    for (int Y = 0; Y < m_scene.RegionInfo.RegionSizeY; Y++)
+                    {
+                        m_bitmap.SetPixel(X, Y, Color.Black);
+                    }
+                }
+            }
 
             PathFindingSceneGenerator.DrawObjectVolume(m_scene, ref m_bitmap);
         }