Index: src/xfdesktop-file-icon-manager.c
===================================================================
--- src/xfdesktop-file-icon-manager.c	(revision 23392)
+++ src/xfdesktop-file-icon-manager.c	(working copy)
@@ -2367,6 +2367,15 @@
     
     if(fmanager->priv->list_job) {
         thunar_vfs_job_cancel(fmanager->priv->list_job);
+        g_signal_handlers_disconnect_by_func(G_OBJECT(fmanager->priv->list_job),
+                 G_CALLBACK(xfdesktop_file_icon_manager_listdir_error_cb),
+                 fmanager);
+        g_signal_handlers_disconnect_by_func(G_OBJECT(fmanager->priv->list_job),
+                 G_CALLBACK(xfdesktop_file_icon_manager_listdir_finished_cb),
+                 fmanager);
+        g_signal_handlers_disconnect_by_func(G_OBJECT(fmanager->priv->list_job),
+                 G_CALLBACK(xfdesktop_file_icon_manager_listdir_infos_ready_cb),
+                 fmanager);
         g_object_unref(G_OBJECT(fmanager->priv->list_job));
     }