1 files changed, 1 insertions, 0 deletions

diff --git a/src/frame.c b/src/frame.c
index a85a62b9955..8d9a1ea4a8e 100644
--- a/src/frame.c
+++ b/src/frame.c
@@ -1723,6 +1723,7 @@ For values specific to the separate minibuffer frame, see\n\
   defsubr (&Sselected_frame);
   defsubr (&Swindow_frame);
   defsubr (&Sframe_root_window);
+  defsubr (&Sframe_first_window);
   defsubr (&Sframe_selected_window);
   defsubr (&Sset_frame_selected_window);
   defsubr (&Sframe_list);