diff --git a/src/check.c b/src/check.c
index 1474a55f9..85691de87 100644
--- a/src/check.c
+++ b/src/check.c
@@ -1279,7 +1279,7 @@ struct task *process_chk_conn(struct task *t, void *context, unsigned int state)
 		 * was erased during the bounce.
 		 */
 		if (!tick_isset(t->expire)) {
-			t->expire = now_ms;
+			t->expire = tick_add(now_ms, 0);
 			expired = 0;
 		}
 	}
diff --git a/src/extcheck.c b/src/extcheck.c
index c71639cd5..152acaddc 100644
--- a/src/extcheck.c
+++ b/src/extcheck.c
@@ -162,7 +162,7 @@ static void pid_list_expire(pid_t pid, int status)
 	HA_SPIN_LOCK(PID_LIST_LOCK, &pid_list_lock);
 	list_for_each_entry(elem, &pid_list, list) {
 		if (elem->pid == pid) {
-			elem->t->expire = now_ms;
+			elem->t->expire = tick_add(now_ms, 0);
 			elem->status = status;
 			elem->exited = 1;
 			task_wakeup(elem->t, TASK_WOKEN_IO);