diff --git a/plugins/out_prometheus_exporter/prom_http.c b/plugins/out_prometheus_exporter/prom_http.c
index 5f3307f9af0..95be3a5d94d 100644
--- a/plugins/out_prometheus_exporter/prom_http.c
+++ b/plugins/out_prometheus_exporter/prom_http.c
@@ -165,7 +165,7 @@ static void cb_metrics(mk_request_t *request, void *data)
 
     buf = metrics_get_latest();
     if (!buf) {
-        mk_http_status(request, 404);
+        mk_http_status(request, 204);
         mk_http_done(request);
         return;
     }