diff --git a/OpenSim/Region/Application/OpenSimBase.cs b/OpenSim/Region/Application/OpenSimBase.cs
index 93201e1c8b..790dcb4972 100644
--- a/OpenSim/Region/Application/OpenSimBase.cs
+++ b/OpenSim/Region/Application/OpenSimBase.cs
@@ -76,7 +76,7 @@ namespace OpenSim
         /// <summary>
         /// The file used to load and save an opensim archive if no filename has been specified
         /// </summary>
-        protected const string DEFAULT_OAR_BACKUP_FILENAME = "scene.oar";
+        protected const string DEFAULT_OAR_BACKUP_FILENAME = "scene.oar.tar.gz";
         
         public ConfigSettings ConfigurationSettings
         {