diff --git a/daemons/lvmlockd/lvmlockd-core.c b/daemons/lvmlockd/lvmlockd-core.c
index ea76f2214..fef9589b9 100644
--- a/daemons/lvmlockd/lvmlockd-core.c
+++ b/daemons/lvmlockd/lvmlockd-core.c
@@ -4780,7 +4780,7 @@ static void client_recv_action(struct client *cl)
 	const char *path;
 	const char *str;
 	struct pvs pvs;
-	char buf[11];	/* p a t h [ x x x x ] \0 */
+	char buf[17];	/* "path[%d]\0", %d outputs signed integer so max to 10 bytes */
 	int64_t val;
 	uint32_t opts = 0;
 	int result = 0;