1 files changed, 1 insertions, 1 deletions

diff --git a/src/lisp.h b/src/lisp.h
index e1a7e61c70a..7cb3b0719dc 100644
--- a/src/lisp.h
+++ b/src/lisp.h
@@ -2956,7 +2956,7 @@ extern Lisp_Object do_switch_frame P_ ((Lisp_Object, int, int));
 extern Lisp_Object get_frame_param P_ ((struct frame *, Lisp_Object));
 extern Lisp_Object frame_buffer_predicate P_ ((Lisp_Object));
 EXFUN (Fframep, 1);
-EXFUN (Fselect_frame, 2);
+EXFUN (Fselect_frame, 1);
 EXFUN (Fselected_frame, 0);
 EXFUN (Fwindow_frame, 1);
 EXFUN (Fframe_root_window, 1);