diff --git a/src/Site/SiteStorage.py b/src/Site/SiteStorage.py
index 4cbed75d4..be8f88e9a 100644
--- a/src/Site/SiteStorage.py
+++ b/src/Site/SiteStorage.py
@@ -452,19 +452,21 @@ def verifyFiles(self, quick_check=False, add_optional=False, add_changed=True):
                     bad_files.append(file_inner_path)
                     continue
 
+                error = None
                 if quick_check:
                     ok = os.path.getsize(file_path) == content["files"][file_relative_path]["size"]
                     if not ok:
-                        err = "Invalid size"
+                        error = "Invalid size"
                 else:
                     try:
                         ok = self.site.content_manager.verifyFile(file_inner_path, open(file_path, "rb"))
                     except Exception as err:
+                        error = err
                         ok = False
 
                 if not ok:
                     back["num_file_invalid"] += 1
-                    self.log.debug("[INVALID] %s: %s" % (file_inner_path, err))
+                    self.log.debug("[INVALID] %s: %s" % (file_inner_path, error))
                     if add_changed or content.get("cert_user_id"):  # If updating own site only add changed user files
                         bad_files.append(file_inner_path)
 
diff --git a/src/main.py b/src/main.py
index 57735ae28..181d883bb 100644
--- a/src/main.py
+++ b/src/main.py
@@ -272,18 +272,19 @@ def siteVerify(self, address):
         for content_inner_path in site.content_manager.contents:
             s = time.time()
             logging.info("Verifing %s signature..." % content_inner_path)
-            err = None
+            error = None
             try:
                 file_correct = site.content_manager.verifyFile(
                     content_inner_path, site.storage.open(content_inner_path, "rb"), ignore_same=False
                 )
             except Exception as err:
                 file_correct = False
+                error = err
 
             if file_correct is True:
                 logging.info("[OK] %s (Done in %.3fs)" % (content_inner_path, time.time() - s))
             else:
-                logging.error("[ERROR] %s: invalid file: %s!" % (content_inner_path, err))
+                logging.error("[ERROR] %s: invalid file: %s!" % (content_inner_path, error))
                 input("Continue?")
                 bad_files += content_inner_path