1 files changed, 5 insertions, 0 deletions
diff --git a/daemon/unbound.c b/daemon/unbound.c
index df95042549228..ba7337d8907ad 100644
--- a/daemon/unbound.c
+++ b/daemon/unbound.c
@@ -264,6 +264,11 @@ apply_settings(struct daemon* daemon, struct config_file* cfg,
 	}
 	daemon_apply_cfg(daemon, cfg);
 	checkrlimits(cfg);
+
+	if (cfg->use_systemd && cfg->do_daemonize) {
+		log_warn("use-systemd and do-daemonize should not be enabled at the same time");
+	}
+
 	log_ident_set_fromdefault(cfg, log_default_identity);
 }