diff --git a/libgimpconfig/gimpconfig.def b/libgimpconfig/gimpconfig.def
index a70f858dbc..1838154e19 100644
--- a/libgimpconfig/gimpconfig.def
+++ b/libgimpconfig/gimpconfig.def
@@ -22,6 +22,7 @@ EXPORTS
 	gimp_config_reset
 	gimp_config_reset_properties
 	gimp_config_reset_property
+	gimp_config_serialize
 	gimp_config_serialize_changed_properties
 	gimp_config_serialize_properties
 	gimp_config_serialize_property