diff --git a/daemon/worker.c b/daemon/worker.c
index edc71f72e..99ec82233 100644
--- a/daemon/worker.c
+++ b/daemon/worker.c
@@ -945,7 +945,7 @@ void worker_probe_timer_cb(void* arg)
 {
 	struct worker* worker = (struct worker*)arg;
 	struct timeval tv;
-	tv.tv_sec = (time_t)autr_probe_timer(&worker->env);
+	tv.tv_sec = (unsigned)autr_probe_timer(&worker->env);
 	tv.tv_usec = 0;
 	comm_timer_set(worker->probe_timer, &tv);
 }