diff --git a/src/or/rendservice.c b/src/or/rendservice.c
index 85da116038..520074bb48 100644
--- a/src/or/rendservice.c
+++ b/src/or/rendservice.c
@@ -237,8 +237,8 @@ rend_config_services(or_options_t *options, int validate_only)
       continue;
     }
     if (!service) {
-      warn(LD_CONFIG, "HiddenServicePort with no preceding HiddenServiceDir "
-           "directive.");
+      warn(LD_CONFIG, "%s with no preceding HiddenServiceDir directive",
+           line->key);
       rend_service_free(service);
       return -1;
     }