===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/tmux/control-notify.c,v
retrieving revision 1.23
retrieving revision 1.24
diff -u -r1.23 -r1.24
--- src/usr.bin/tmux/control-notify.c	2019/05/07 10:25:15	1.23
+++ src/usr.bin/tmux/control-notify.c	2019/07/10 11:20:10	1.24
@@ -1,4 +1,4 @@
-/* $OpenBSD: control-notify.c,v 1.23 2019/05/07 10:25:15 nicm Exp $ */
+/* $OpenBSD: control-notify.c,v 1.24 2019/07/10 11:20:10 nicm Exp $ */
 
 /*
  * Copyright (c) 2012 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -35,6 +35,9 @@
 
 	if (c->session == NULL)
 	    return;
+
+	if (c->flags & CLIENT_CONTROL_NOOUTPUT)
+		return;
 
 	/*
 	 * Only write input if the window pane is linked to a window belonging