diff --git a/manifest_xml.py b/manifest_xml.py
index a3e78fe..3198724 100644
--- a/manifest_xml.py
+++ b/manifest_xml.py
@@ -312,7 +312,7 @@
 
       local_dir = os.path.abspath(os.path.join(self.repodir, LOCAL_MANIFESTS_DIR_NAME))
       try:
-        for local_file in os.listdir(local_dir):
+        for local_file in sorted(os.listdir(local_dir)):
           if local_file.endswith('.xml'):
             try:
               nodes.append(self._ParseManifestXml(local_file, self.repodir))