diff --git a/src/shared/bus-util.c b/src/shared/bus-util.c
index 6ea046ee6d..57c60dcb67 100644
--- a/src/shared/bus-util.c
+++ b/src/shared/bus-util.c
@@ -259,7 +259,7 @@ int bus_connect_user_systemd(sd_bus **ret_bus) {
 
         e = secure_getenv("XDG_RUNTIME_DIR");
         if (!e)
-                return -ENXIO;
+                return -ENOMEDIUM;
 
         ee = bus_address_escape(e);
         if (!ee)