diff --git a/libgimp/gimp.def b/libgimp/gimp.def
index 7280ebc28a..bab2fe2e4b 100644
--- a/libgimp/gimp.def
+++ b/libgimp/gimp.def
@@ -55,6 +55,8 @@ EXPORTS
 	gimp_channel_set_color
 	gimp_channel_set_opacity
 	gimp_channel_set_show_masked
+	gimp_check_custom_color1
+	gimp_check_custom_color2
 	gimp_check_size
 	gimp_check_type
 	gimp_clone
diff --git a/libgimpbase/gimpbase.def b/libgimpbase/gimpbase.def
index 5a96971d3a..b0a4cf11b5 100644
--- a/libgimpbase/gimpbase.def
+++ b/libgimpbase/gimpbase.def
@@ -15,6 +15,7 @@ EXPORTS
 	gimp_channel_type_get_type
 	gimp_check_size_get_type
 	gimp_check_type_get_type
+	gimp_checks_get_colors
 	gimp_checks_get_shades
 	gimp_clone_type_get_type
 	gimp_color_tag_get_type