1 files changed, 1 insertions, 0 deletions

diff --git a/lisp/gnus.el b/lisp/gnus.el
index cd12431adaf..d12951e9d4f 100644
--- a/lisp/gnus.el
+++ b/lisp/gnus.el
@@ -3787,6 +3787,7 @@ If VISIBLE-ONLY is non-nil, the group won't be displayed if it isn't already."
              (news-server (car (cdr gnus-select-method)))
              (news-method (car gnus-select-method))
              (max-len 60)
+             header                     ;Dummy binding for user-defined specs.
              (mode-string (eval gformat)))
         (setq mode-string (eval gformat))
         (if (> (length mode-string) max-len)