diff --git a/hw/core/qdev.c b/hw/core/qdev.c
index db36f54d91..2f740fa55e 100644
--- a/hw/core/qdev.c
+++ b/hw/core/qdev.c
@@ -167,10 +167,11 @@ DeviceState *qdev_new(const char *name)
 
 DeviceState *qdev_try_new(const char *name)
 {
-    if (!module_object_class_by_name(name)) {
+    ObjectClass *oc = module_object_class_by_name(name);
+    if (!oc) {
         return NULL;
     }
-    return DEVICE(object_new(name));
+    return DEVICE(object_new_with_class(oc));
 }
 
 static QTAILQ_HEAD(, DeviceListener) device_listeners
diff --git a/qom/object_interfaces.c b/qom/object_interfaces.c
index e0833c8bfe..1f2aa13306 100644
--- a/qom/object_interfaces.c
+++ b/qom/object_interfaces.c
@@ -108,7 +108,7 @@ Object *user_creatable_add_type(const char *type, const char *id,
     }
 
     assert(qdict);
-    obj = object_new(type);
+    obj = object_new_with_class(klass);
     object_set_properties_from_qdict(obj, qdict, v, &local_err);
     if (local_err) {
         goto out;
diff --git a/qom/qom-qmp-cmds.c b/qom/qom-qmp-cmds.c
index e91a235347..69a8e17aa8 100644
--- a/qom/qom-qmp-cmds.c
+++ b/qom/qom-qmp-cmds.c
@@ -141,7 +141,7 @@ ObjectPropertyInfoList *qmp_device_list_properties(const char *typename,
         return NULL;
     }
 
-    obj = object_new(typename);
+    obj = object_new_with_class(klass);
 
     object_property_iter_init(&iter, obj);
     while ((prop = object_property_iter_next(&iter))) {