diff --git a/src/main.py b/src/main.py
index c3ea2176..b6d8c27d 100644
--- a/src/main.py
+++ b/src/main.py
@@ -208,6 +208,7 @@ class Actions(object):
         for content_inner_path in site.content_manager.contents:
             s = time.time()
             logging.info("Verifing %s signature..." % content_inner_path)
+            err = None
             try:
                 file_correct = site.content_manager.verifyFile(
                     content_inner_path, site.storage.open(content_inner_path, "rb"), ignore_same=False