--- a/podbrowser.pl.orig	2017-04-21 14:15:44.767898820 +0200
+++ b/podbrowser.pl	2017-04-21 14:15:25.994711187 +0200
@@ -1050,12 +1050,12 @@
 		(-d $PREFIX ? $PREFIX : $ENV{PWD}),
 	);
 	map { $theme->append_search_path($_) } @paths;
-	if ($theme->has_icon('gnome-mime-text') == 0) {
+	if ($theme->has_icon('text-x-generic') == 0) {
 		# the first theme failed, try the 'gnome' theme:
 		$theme = Gtk2::IconTheme->new;
-		$theme->set_custom_theme('gnome');
+		$theme->set_custom_theme('adwaita');
 		map { $theme->append_search_path($_) } @paths;
-		if ($theme->has_icon('gnome-mime-text') == 0) {
+		if ($theme->has_icon('text-x-generic') == 0) {
 			print STDERR "*** sorry, I tried my best but I still can't find a usable icon theme!\n";
 			exit 256;
 		}