diff --git a/OpenSim/Region/Environment/Modules/Terrain/FileLoaders/RAW32.cs b/OpenSim/Region/Environment/Modules/Terrain/FileLoaders/RAW32.cs
index d69d62ade5..8ba93cb358 100644
--- a/OpenSim/Region/Environment/Modules/Terrain/FileLoaders/RAW32.cs
+++ b/OpenSim/Region/Environment/Modules/Terrain/FileLoaders/RAW32.cs
@@ -64,9 +64,9 @@ namespace OpenSim.Region.Environment.Modules.Terrain.FileLoaders
             BinaryWriter bs = new BinaryWriter(s);
 
             int x, y;
-            for (y = 0; y < h; y++)
+            for (y = 0; y < map.Height; y++)
             {
-                for (x = 0; x < w; x++)
+                for (x = 0; x < map.Width; x++)
                 {
                     bs.Write((float)map[x, y]);
                 }