1 files changed, 2 insertions, 2 deletions

diff --git a/lisp/gnus/mm-decode.el b/lisp/gnus/mm-decode.el
index 6b539399596..6683d68a318 100644
--- a/lisp/gnus/mm-decode.el
+++ b/lisp/gnus/mm-decode.el
@@ -1413,8 +1413,8 @@ Return t if meta tag is added or replaced."
       (let ((case-fold-search t))
         (goto-char (point-min))
         (if (re-search-forward "\
-<meta\\s-+http-equiv=[\"']?content-type[\"']?\\s-+content=[\"']\
-text/\\(\\sw+\\)\\(?:;\\s-*charset=\\([^\"'>]+\\)\\)?[^>]*>" nil t)
+<meta\\s-+http-equiv=[\"']?content-type[\"']?\\s-+content=[\"']?\
+text/\\(\\sw+\\)\\(?:;\\s-*charset=\\([^\t\n\r \"'>]+\\)\\)?[^>]*>" nil t)
             (if (and (not force-charset)
                      (match-beginning 2)
                      (string-match "\\`html\\'" (match-string 1)))