1 files changed, 1 insertions, 0 deletions

diff --git a/src/lisp.h b/src/lisp.h
index 4ff48462d33..e0830b934b3 100644
--- a/src/lisp.h
+++ b/src/lisp.h
@@ -2595,6 +2595,7 @@ extern void syms_of_casetab P_ ((void));
 
 extern int echoing;
 extern Lisp_Object echo_message_buffer;
+extern struct kboard *echo_kboard;
 extern void cancel_echoing P_ ((void));
 extern Lisp_Object Qdisabled, QCfilter;
 extern Lisp_Object Vtty_erase_char, Vhelp_form, Vtop_level;