1 files changed, 1 insertions, 1 deletions

diff --git a/lisp/gnus/gnus-util.el b/lisp/gnus/gnus-util.el
index 4876715ae6a..aa9f137e203 100644
--- a/lisp/gnus/gnus-util.el
+++ b/lisp/gnus/gnus-util.el
@@ -1177,7 +1177,7 @@ ARG is passed to the first function."
       (maphash
        (lambda (group active)
          (when active
-           (insert (format "%s %d %d y\n"
+           (insert (format "%S %d %d y\n"
                            (if full-names
                                group
                              (gnus-group-real-name group))