diff --git a/CONTRIBUTORS.txt b/CONTRIBUTORS.txt
index f621cd3966..8181483aa1 100644
--- a/CONTRIBUTORS.txt
+++ b/CONTRIBUTORS.txt
@@ -65,6 +65,7 @@ what it is today.
 * A_Biondi
 * alex_carnell
 * Alan Webb (IBM)
+* Aleric
 * Allen Kerensky
 * BigFootAg
 * BlueWall Slade
diff --git a/OpenSim/Services/MapImageService/MapImageService.cs b/OpenSim/Services/MapImageService/MapImageService.cs
index a85ee70fc8..9ba5dabf33 100644
--- a/OpenSim/Services/MapImageService/MapImageService.cs
+++ b/OpenSim/Services/MapImageService/MapImageService.cs
@@ -86,7 +86,7 @@ namespace OpenSim.Services.MapImageService
                     {
                         Bitmap waterTile = new Bitmap(IMAGE_WIDTH, IMAGE_WIDTH);
                         FillImage(waterTile, m_Watercolor);
-                        waterTile.Save(m_WaterTileFile);
+                        waterTile.Save(m_WaterTileFile, ImageFormat.Jpeg);
                     }
                 }
             }