diff --git a/common.py b/common.py
index 16825eae..1c12f94c 100644
--- a/common.py
+++ b/common.py
@@ -153,7 +153,7 @@ def parse_metadata(metafile, **kw):
 
 def read_metadata(verbose=False):
     apps = []
-    for metafile in glob.glob(os.path.join('metadata', '*.txt')):
+    for metafile in sorted(glob.glob(os.path.join('metadata', '*.txt'))):
         if verbose:
             print "Reading " + metafile
         apps.append(parse_metadata(metafile, verbose=verbose))