--- mousepad-close-button.c	2016-07-11 20:41:57.771793127 +0200
+++ mousepad-close-button_new.c	2016-07-11 20:42:04.651793506 +0200
@@ -88,7 +88,7 @@
   gtk_widget_set_name (GTK_WIDGET (button), "mousepad-close-button");
 #endif
 
-  image = gtk_image_new_from_icon_name ("gtk-close", GTK_ICON_SIZE_MENU);
+  image = gtk_image_new_from_stock (GTK_STOCK_CLOSE, GTK_ICON_SIZE_MENU);
   gtk_container_add (GTK_CONTAINER (button), image);
   gtk_widget_show (image);