1 files changed, 6 insertions, 3 deletions

diff --git a/lisp/net/eww.el b/lisp/net/eww.el
index b09d8732afb..ad19758b4a6 100644
--- a/lisp/net/eww.el
+++ b/lisp/net/eww.el
@@ -230,9 +230,12 @@
 
 (defun eww-update-header-line-format ()
   (if eww-header-line-format
-      (setq header-line-format (format-spec eww-header-line-format
-                                            `((?u . ,eww-current-url)
-                                              (?t . ,eww-current-title))))
+      (setq header-line-format
+            (replace-regexp-in-string
+             "%" "%%"
+             (format-spec eww-header-line-format
+                          `((?u . ,eww-current-url)
+                            (?t . ,eww-current-title)))))
     (setq header-line-format nil)))
 
 (defun eww-tag-title (cont)