diff --git a/update/org.eclipse.update.tests.core/src/org/eclipse/update/tests/configurations/TestRevert.java b/update/org.eclipse.update.tests.core/src/org/eclipse/update/tests/configurations/TestRevert.java
index 0620509..d652022 100644
--- a/update/org.eclipse.update.tests.core/src/org/eclipse/update/tests/configurations/TestRevert.java
+++ b/update/org.eclipse.update.tests.core/src/org/eclipse/update/tests/configurations/TestRevert.java
@@ -81,7 +81,8 @@
 		
 		// check
 		String time = ""+site.getCurrentConfiguration().getCreationDate().getTime();
-		File file = new File(new URL(((SiteLocal)SiteManager.getLocalSite()).getLocationURL(),"Config"+time+".xml").getFile());
+		//File file = new File(new URL(((SiteLocal)SiteManager.getLocalSite()).getLocationURL(),"Config"+time+".xml").getFile());
+		File file = new File(new URL(((SiteLocal)SiteManager.getLocalSite()).getLocationURL(),SiteLocal.DEFAULT_CONFIG_PREFIX+time+".xml").getFile());		
 		assertTrue("new configuration does not exist", file.exists());
 		
 		
diff --git a/update/org.eclipse.update.tests.core/src/org/eclipse/update/tests/regularInstall/TestLocalSite.java b/update/org.eclipse.update.tests.core/src/org/eclipse/update/tests/regularInstall/TestLocalSite.java
index 0231115..bded3ac 100644
--- a/update/org.eclipse.update.tests.core/src/org/eclipse/update/tests/regularInstall/TestLocalSite.java
+++ b/update/org.eclipse.update.tests.core/src/org/eclipse/update/tests/regularInstall/TestLocalSite.java
@@ -203,7 +203,8 @@
 		// there are 2 configuration
 		String time = ""+site.getCurrentConfiguration().getCreationDate().getTime();
 		URL location = ((SiteLocal)site).getLocationURL();		
-		File file = new File(new URL(location,"Config"+time+".xml").getFile());
+		//File file = new File(new URL(location,"Config"+time+".xml").getFile());
+		File file = new File(new URL(location,SiteLocal.DEFAULT_CONFIG_PREFIX+time+".xml").getFile());		
 		assertTrue("new configuration does not exist", file.exists());
 		
 		// teh current one points to a real fature
@@ -286,7 +287,8 @@
 		// there are 2 configuration
 		String time = ""+site.getCurrentConfiguration().getCreationDate().getTime();
 		URL location = ((SiteLocal)site).getLocationURL();		
-		File file = new File(new URL(location,"Config"+time+".xml").getFile());
+		//File file = new File(new URL(location,"Config"+time+".xml").getFile());
+		File file = new File(new URL(location,SiteLocal.DEFAULT_CONFIG_PREFIX+time+".xml").getFile());		
 		assertTrue("new configuration does not exist", file.exists());
 		
 		// teh current one points to a real fature