diff --git a/src/resolve/resolved-manager.c b/src/resolve/resolved-manager.c
index bdb42f663a..44a53952d2 100644
--- a/src/resolve/resolved-manager.c
+++ b/src/resolve/resolved-manager.c
@@ -594,10 +594,10 @@ int manager_new(Manager **ret) {
         if (r < 0)
                 return r;
 
-        sd_event_add_signal(m->event, NULL, SIGTERM, NULL,  NULL);
-        sd_event_add_signal(m->event, NULL, SIGINT, NULL, NULL);
+        (void) sd_event_add_signal(m->event, NULL, SIGTERM, NULL,  NULL);
+        (void) sd_event_add_signal(m->event, NULL, SIGINT, NULL, NULL);
 
-        sd_event_set_watchdog(m->event, true);
+        (void) sd_event_set_watchdog(m->event, true);
 
         r = manager_watch_hostname(m);
         if (r < 0)