diff --git a/lib/core/settings.py b/lib/core/settings.py
index f5b9698cd..f6f05ad4c 100644
--- a/lib/core/settings.py
+++ b/lib/core/settings.py
@@ -248,7 +248,7 @@ ERROR_PARSING_REGEXES = (
META_CHARSET_REGEX = r'(?si).*]+charset=(?P[^">]+).*'
# Regular expression used for parsing refresh info from meta html headers
-META_REFRESH_REGEX = r'(?si).*]+content="?[^">]+url=(?P[^">]+).*'
+META_REFRESH_REGEX = r'(?si).*]+content="?[^">]+url=["\']?(?P[^\'">]+).*'
# Regular expression used for parsing empty fields in tested form data
EMPTY_FORM_FIELDS_REGEX = r'(&|\A)(?P[^=]+=(&|\Z))'