diff -r 8fa8717b47b6 -r 9e1616307c4c hgext/largefiles/lfcommands.py
--- a/hgext/largefiles/lfcommands.py	Wed Jul 04 02:21:04 2012 +0200
+++ b/hgext/largefiles/lfcommands.py	Sun Jun 24 20:36:22 2012 +0200
@@ -340,7 +340,11 @@
     store = basestore._openstore(rsrc, rdst, put=True)
 
     at = 0
-    files = filter(lambda h: not store.exists(h), files)
+    ui.debug("sending statlfile command for %d largefiles\n" % len(files))
+    retval = store.exists(files)
+    files = filter(lambda h: not retval[h], files)
+    ui.debug("%d largefiles need to be uploaded\n" % len(files))
+
     for hash in files:
         ui.progress(_('uploading largefiles'), at, unit='largefile',
                     total=len(files))