1 files changed, 6 insertions, 0 deletions
diff --git a/json-glib/json-gobject.c b/json-glib/json-gobject.c
index d02a7bf..f6f8b57 100644
--- a/json-glib/json-gobject.c
+++ b/json-glib/json-gobject.c
@@ -46,6 +46,12 @@ json_serializable_get_type (void)
 {
   static GType iface_type = 0;
 
+  if (!iface_type)
+    iface_type =
+      g_type_register_static_simple (G_TYPE_INTERFACE, "JsonSerializable",
+                                     sizeof (JsonSerializableIface),
+                                     NULL, 0, NULL, 0);
+
   return iface_type;
 }