diff --git a/gst/gst.c b/gst/gst.c
index a5f54161db..bd748c71f1 100644
--- a/gst/gst.c
+++ b/gst/gst.c
@@ -655,6 +655,7 @@ init_post (GOptionContext * context, GOptionGroup * group, gpointer data,
   g_type_class_ref (gst_control_source_get_type ());
   g_type_class_ref (gst_lock_flags_get_type ());
   g_type_class_ref (gst_allocator_flags_get_type ());
+  g_type_class_ref (gst_stream_flags_get_type ());
 
   _priv_gst_event_initialize ();
   _priv_gst_buffer_initialize ();
@@ -1027,6 +1028,7 @@ gst_deinit (void)
   g_type_class_unref (g_type_class_peek (gst_toc_entry_type_get_type ()));
   g_type_class_unref (g_type_class_peek (gst_lock_flags_get_type ()));
   g_type_class_unref (g_type_class_peek (gst_allocator_flags_get_type ()));
+  g_type_class_unref (g_type_class_peek (gst_stream_flags_get_type ()));
 
 
   gst_deinitialized = TRUE;