diff -U 5 -r -Z -B ./org/gtk/gtkcolorswatch.c ./mod/gtk/gtkcolorswatch.c
--- ./org/gtk/gtkcolorswatch.c	2017-07-19 04:55:39.000000000 +0200
+++ ./mod/gtk/gtkcolorswatch.c	2017-07-30 13:40:06.546839046 +0200
@@ -345,10 +345,20 @@
 }
 
 static void
 do_popup (GtkColorSwatch *swatch)
 {
+  if (swatch->priv->popover == NULL) {
+      GtkWidget *item;
+      swatch->priv->popover = gtk_menu_new();
+      item = gtk_menu_item_new_with_mnemonic(_("C_ustomize"));
+      g_signal_connect_swapped (item, "activate", G_CALLBACK (emit_customize), swatch);
+      gtk_widget_set_visible(GTK_WIDGET(item), TRUE);
+      gtk_menu_shell_append(GTK_MENU_SHELL(swatch->priv->popover), item);
+  }
+  gtk_menu_popup_at_pointer(GTK_MENU(swatch->priv->popover), NULL);
+  return;
   if (swatch->priv->popover == NULL)
     {
       GtkWidget *box;
       GtkWidget *item;