diff --git a/OpenSim/Region/Environment/Modules/World/Terrain/FileLoaders/GenericSystemDrawing.cs b/OpenSim/Region/Environment/Modules/World/Terrain/FileLoaders/GenericSystemDrawing.cs
index bb819e1893..f87d3ee60f 100644
--- a/OpenSim/Region/Environment/Modules/World/Terrain/FileLoaders/GenericSystemDrawing.cs
+++ b/OpenSim/Region/Environment/Modules/World/Terrain/FileLoaders/GenericSystemDrawing.cs
@@ -67,7 +67,7 @@ namespace OpenSim.Region.Environment.Modules.World.Terrain.FileLoaders
                 int y;
                 for (y = 0; y < file.Height; y++)
                 {
-                    retval[x, y] = file.GetPixel(x, y).GetBrightness() * 128;
+                    retval[x, y] = file.GetPixel(x, file.Height - y - 1).GetBrightness() * 128;
                 }
             }
 
@@ -170,4 +170,4 @@ namespace OpenSim.Region.Environment.Modules.World.Terrain.FileLoaders
             return bmp;
         }
     }
-}
\ No newline at end of file
+}