diff --git a/libgimpbase/gimpbase.def b/libgimpbase/gimpbase.def
index f230293309..ed50e92b61 100644
--- a/libgimpbase/gimpbase.def
+++ b/libgimpbase/gimpbase.def
@@ -42,6 +42,7 @@ EXPORTS
 	gimp_enum_get_value
 	gimp_enum_get_value_descriptions
 	gimp_enum_set_value_descriptions
+	gimp_enum_value_get_abbrev
 	gimp_enum_value_get_desc
 	gimp_enum_value_get_help
 	gimp_env_init
@@ -56,6 +57,7 @@ EXPORTS
 	gimp_flags_get_first_value
 	gimp_flags_get_value_descriptions
 	gimp_flags_set_value_descriptions
+	gimp_flags_value_get_abbrev
 	gimp_flags_value_get_desc
 	gimp_flags_value_get_help
 	gimp_foreground_extract_mode_get_type
diff --git a/libgimpwidgets/gimpwidgets.def b/libgimpwidgets/gimpwidgets.def
index 514597a650..d0e8defc85 100644
--- a/libgimpwidgets/gimpwidgets.def
+++ b/libgimpwidgets/gimpwidgets.def
@@ -195,7 +195,9 @@ EXPORTS
 	gimp_int_combo_box_get_active
 	gimp_int_combo_box_get_active_user_data
 	gimp_int_combo_box_get_label
+	gimp_int_combo_box_get_layout
 	gimp_int_combo_box_get_type
+	gimp_int_combo_box_layout_get_type
 	gimp_int_combo_box_new
 	gimp_int_combo_box_new_array
 	gimp_int_combo_box_new_valist
@@ -203,6 +205,7 @@ EXPORTS
 	gimp_int_combo_box_set_active
 	gimp_int_combo_box_set_active_by_user_data
 	gimp_int_combo_box_set_label
+	gimp_int_combo_box_set_layout
 	gimp_int_combo_box_set_sensitivity
 	gimp_int_option_menu_new
 	gimp_int_option_menu_set_history