1 files changed, 2 insertions, 3 deletions
diff --git a/src/install.c b/src/install.c
index cfbd50ead9..1fb1f9d580 100644
--- a/src/install.c
+++ b/src/install.c
@@ -72,9 +72,8 @@ static int get_config_path(UnitFileScope scope, bool runtime, const char *root_d
         case UNIT_FILE_SYSTEM:
 
                 if (root_dir && runtime)
-                        return -EINVAL;
-
-                if (runtime)
+                        asprintf(&p, "%s/run/systemd/system", root_dir);
+                else if (runtime)
                         p = strdup("/run/systemd/system");
                 else if (root_dir)
                         asprintf(&p, "%s/%s", root_dir, SYSTEM_CONFIG_UNIT_PATH);