diff --git a/dogen/generator.py b/dogen/generator.py
index 2d40009..7b4c8f6 100644
--- a/dogen/generator.py
+++ b/dogen/generator.py
@@ -184,7 +184,7 @@ def _handle_custom_repo_files(self):
 
         self.log.debug("Found following additional repo files: %s" % ", ".join(repo_files))
 
-        for f in repo_files:
+        for f in sorted(repo_files):
             self.cfg['additional_repos'].append(os.path.splitext(os.path.basename(f))[0])
 
     def _validate_cfg(self):