unbind-key -a is allowed no arguments.

1 files changed, 3 insertions, 1 deletions

diff --git a/cmd-unbind-key.c b/cmd-unbind-key.c
index 7dab5683..8eb829d4 100644
--- a/cmd-unbind-key.c
+++ b/cmd-unbind-key.c
@@ -31,7 +31,7 @@ int	cmd_unbind_key_table(struct cmd *, struct cmd_ctx *, int);
 
 const struct cmd_entry cmd_unbind_key_entry = {
 	"unbind-key", "unbind",
-	"acnt:", 1, 1,
+	"acnt:", 0, 1,
 	"[-acn] [-t key-table] key",
 	0,
 	NULL,
@@ -43,6 +43,8 @@ int
 cmd_unbind_key_check(struct args *args)
 {
 	if (args_has(args, 'a') && (args->argc != 0 || args_has(args, 't')))
+	    return (-1);
+	if (!args_has(args, 'a') && args->argc != 1)
 		return (-1);
 	return (0);
 }