diff --git a/cmd-copy-mode.c b/cmd-copy-mode.c
index 1a006ebb..49f5b30c 100644
--- a/cmd-copy-mode.c
+++ b/cmd-copy-mode.c
@@ -46,6 +46,8 @@ const struct cmd_entry cmd_clock_mode_entry = {
 	.args = { "t:", 0, 0 },
 	.usage = CMD_TARGET_PANE_USAGE,
 
+	.tflag = CMD_PANE,
+
 	.flags = 0,
 	.exec = cmd_copy_mode_exec
 };