diff --git a/qom/object_interfaces.c b/qom/object_interfaces.c
index 03a95c327627a4bb56454259ad2a74341d020201..9c271ad32a74f63d7bba2bfc56380c1a2ebb4bac 100644
--- a/qom/object_interfaces.c
+++ b/qom/object_interfaces.c
@@ -114,7 +114,7 @@ Object *user_creatable_add_opts(QemuOpts *opts, Error **errp)
     QDict *pdict;
     Object *obj;
     const char *id = qemu_opts_id(opts);
-    const char *type = qemu_opt_get(opts, "qom-type");
+    char *type = qemu_opt_get_del(opts, "qom-type");
 
     if (!type) {
         error_setg(errp, QERR_MISSING_PARAMETER, "qom-type");
@@ -122,17 +122,19 @@ Object *user_creatable_add_opts(QemuOpts *opts, Error **errp)
     }
     if (!id) {
         error_setg(errp, QERR_MISSING_PARAMETER, "id");
+        g_free(type);
         return NULL;
     }
 
+    qemu_opts_set_id(opts, NULL);
     pdict = qemu_opts_to_qdict(opts, NULL);
-    qdict_del(pdict, "qom-type");
-    qdict_del(pdict, "id");
 
     v = opts_visitor_new(opts);
     obj = user_creatable_add_type(type, id, pdict, v, errp);
     visit_free(v);
 
+    qemu_opts_set_id(opts, (char *) id);
+    g_free(type);
     QDECREF(pdict);
     return obj;
 }