diff --git a/src/clock.c b/src/clock.c
index 1a6a80be0..5a264146d 100644
--- a/src/clock.c
+++ b/src/clock.c
@@ -270,7 +270,7 @@ void clock_update_global_date()
 	 * otherwise catch up.
 	 */
 	old_now_ns = _HA_ATOMIC_LOAD(&global_now_ns);
-	old_now_ms = global_now_ms;
+	old_now_ms = _HA_ATOMIC_LOAD(&global_now_ms);
 
 	do {
 		if (now_ns < old_now_ns)