diff -rup virtinst-0.300.2.old/virtinst/OSDistro.py virtinst-0.300.2/virtinst/OSDistro.py
--- virtinst-0.300.2.old/virtinst/OSDistro.py	2008-03-17 09:48:58.000000000 -0400
+++ virtinst-0.300.2/virtinst/OSDistro.py	2008-03-17 09:49:21.000000000 -0400
@@ -80,6 +80,9 @@ class RedHatDistro(Distro):
 # Fedora distro check
 class FedoraDistro(RedHatDistro):
     def isValidStore(self, fetcher, progresscb):
+        if fetcher.hasFile(".treeinfo", progresscb):
+            logging.debug("Detected a Fedora distro")
+            return True
         if fetcher.hasFile("fedora.css", progresscb):
             logging.debug("Detected a Fedora distro")
             return True