diff -ur xfce4-panel-4.12.0/plugins/tasklist/tasklist-widget.c xfce4-panel-4.12.0.patch/plugins/tasklist/tasklist-widget.c
--- xfce4-panel-4.12.0/plugins/tasklist/tasklist-widget.c	2015-02-26 21:32:17.000000000 +0100
+++ xfce4-panel-4.12.0.patch/plugins/tasklist/tasklist-widget.c	2015-09-16 19:03:02.190220995 +0200
@@ -2449,10 +2449,7 @@
     return;
 
   /* get the window icon */
-  if (tasklist->show_labels)
-    pixbuf = wnck_window_get_mini_icon (window);
-  else
-    pixbuf = wnck_window_get_icon (window);
+  pixbuf = wnck_window_get_icon (window);
 
   /* leave when there is no valid pixbuf */
   if (G_UNLIKELY (pixbuf == NULL))