diff --git a/build.py b/build.py
index e5503001..db7a71b1 100755
--- a/build.py
+++ b/build.py
@@ -592,9 +592,10 @@ def uploadPackage(fileName, KEEP=50):
     
     # leave the last KEEP builds, including this new one, on the server
     for name in allFiles[:-KEEP]:
-        if not name.startswith('README'):
-            msg("Deleting %s" % name)
-            ftp.delete(name)
+        if os.path.basename(name).startswith('README'):
+            continue
+        msg("Deleting %s" % name)
+        ftp.delete(name)
 
     ftp.close()
     msg("Upload complete!")