diff --git a/thunar/Makefile.am b/thunar/Makefile.am
index 70c697d3471fa1cd235d15ee6d4dd872f958610f..4fbcada581dda4bc22303fce096b4046fb81f952 100644
--- a/thunar/Makefile.am
+++ b/thunar/Makefile.am
@@ -345,6 +345,8 @@ endif
 EXTRA_DIST =								\
 	thunar-dbus-freedesktop-interfaces.xml	\
 	thunar-dbus-service-infos.xml			\
+	thunar-thumbnailer-dbus.xml				\
+	thunar-thumbnail-cache-dbus.xml			\
 	thunar-marshal.list						\
 	thunar-thumbnail-frame.png				\
 	thunar-settings							\
diff --git a/thunarx/thunarx.symbols b/thunarx/thunarx.symbols
index d4b5469c2db0a078dd9c2169f939fe95c6b79bed..50e0841b6f6d22c873a69d3bf74e4bf79a1fb5ed 100644
--- a/thunarx/thunarx.symbols
+++ b/thunarx/thunarx.symbols
@@ -90,6 +90,12 @@ thunarx_provider_factory_get_type G_GNUC_CONST
 thunarx_provider_factory_get_default
 thunarx_provider_factory_list_providers G_GNUC_MALLOC
 
+/* ThunarxProviderModule methods */
+thunarx_provider_module_get_type
+thunarx_provider_module_list_types
+thunarx_provider_module_new
+thunarx_provider_module_unuse
+
 /* ThunarxProviderPlugin methods */
 thunarx_provider_plugin_get_type G_GNUC_CONST
 thunarx_provider_plugin_get_resident