diff --git a/src/run/run.c b/src/run/run.c
index ce35b48fba..5827d91e1f 100644
--- a/src/run/run.c
+++ b/src/run/run.c
@@ -188,7 +188,7 @@ static int help_sudo_mode(void) {
          * sudo's short switches, hence please do not introduce new short switches unless they have a roughly
          * equivalent purpose on sudo. Use long options for everything private to run0. */
 
-        r = option_parser_get_help_table_full("run0", /* group= */ NULL, &opts_table);
+        r = option_parser_get_help_table_ns("run0", &opts_table);
         if (r < 0)
                 return r;
 
diff --git a/src/shared/options.h b/src/shared/options.h
index 5f55dd5d19..f50fbdb3cb 100644
--- a/src/shared/options.h
+++ b/src/shared/options.h
@@ -236,6 +236,8 @@ int _option_parser_get_help_table_full(
                 Table **ret);
 #define option_parser_get_help_table_full(namespace, group, ret)        \
         _option_parser_get_help_table_full(ALIGN_PTR(__start_SYSTEMD_OPTIONS), __stop_SYSTEMD_OPTIONS, namespace, group, ret)
+#define option_parser_get_help_table_ns(ns, ret)                        \
+        option_parser_get_help_table_full(ns, /* group= */ NULL, ret)
 #define option_parser_get_help_table_group(group, ret)                  \
         option_parser_get_help_table_full(/* namespace= */ NULL, group, ret)
 #define option_parser_get_help_table(ret)                               \