1 files changed, 1 insertions, 0 deletions

diff --git a/lisp/cus-start.el b/lisp/cus-start.el
index 5be61ce537c..1c10bf76320 100644
--- a/lisp/cus-start.el
+++ b/lisp/cus-start.el
@@ -311,6 +311,7 @@ Leaving \"Default\" unchecked is equivalent with specifying a default of
                                             (const :tag "Always" t)
                                             (repeat (symbol :tag "Parameter")))
                                            "25.1")
+             (tooltip-reuse-hidden-frame tooltip boolean "26.1")
              ;; fringe.c
              (overflow-newline-into-fringe fringe boolean)
              ;; image.c