diff --git a/lib/core/settings.py b/lib/core/settings.py
index db7341565..a544f41bb 100644
--- a/lib/core/settings.py
+++ b/lib/core/settings.py
@@ -254,7 +254,7 @@ ERROR_PARSING_REGEXES = (
)
# Regular expression used for parsing charset info from meta html headers
-META_CHARSET_REGEX = r'(?si).*]+charset=(?P[^">]+).*'
+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[^\'">]+).*'