Index: deluge-1.3.6/deluge/common.py
===================================================================
--- deluge-1.3.6.orig/deluge/common.py	2013-02-25 18:01:07.000000000 +0100
+++ deluge-1.3.6/deluge/common.py	2013-04-24 01:50:49.872771815 +0200
@@ -233,12 +233,14 @@
     return pkg_resources.resource_filename("deluge", os.path.join("data", \
                                            "pixmaps", fname))
 
-def open_file(path):
+def open_file(path, timestamp=0):
     """
     Opens a file or folder using the system configured program
 
     :param path: the path to the file or folder to open
     :type path: string
+    :param timestamp: the timestamp of the event that requested to open
+    :type timestamp: int
 
     """
     if windows_check():
@@ -246,7 +248,17 @@
     elif osx_check():
         subprocess.Popen(["open", "%s" % path])
     else:
-        subprocess.Popen(["xdg-open", "%s" % path])
+        env = os.environ.copy()
+
+        if timestamp > 0:
+            open_file.calls += 1
+            env["DESKTOP_STARTUP_ID"] = "%s-%u-%s-xdg_open-%d_TIME%d" % \
+                (os.path.basename(sys.argv[0]), os.getpid(), os.uname()[1], \
+                 open_file.calls, timestamp)
+
+        subprocess.Popen(["xdg-open", "%s" % path], env=env)
+
+open_file.calls = 0
 
 def open_url_in_browser(url):
     """
Index: deluge-1.3.6/deluge/ui/gtkui/menubar.py
===================================================================
--- deluge-1.3.6.orig/deluge/ui/gtkui/menubar.py	2013-02-25 18:01:07.000000000 +0100
+++ deluge-1.3.6/deluge/ui/gtkui/menubar.py	2013-04-24 01:54:27.552708754 +0200
@@ -306,7 +306,8 @@
     def on_menuitem_open_folder_activate(self, data=None):
         log.debug("on_menuitem_open_folder")
         def _on_torrent_status(status):
-            deluge.common.open_file(status["save_path"])
+            timestamp = gtk.get_current_event_time()
+            deluge.common.open_file(status["save_path"], timestamp=timestamp)
         for torrent_id in component.get("TorrentView").get_selected_torrents():
             component.get("SessionProxy").get_torrent_status(torrent_id, ["save_path"]).addCallback(_on_torrent_status)
 
Index: deluge-1.3.6/deluge/ui/gtkui/files_tab.py
===================================================================
--- deluge-1.3.6.orig/deluge/ui/gtkui/files_tab.py	2013-02-25 18:01:07.000000000 +0100
+++ deluge-1.3.6/deluge/ui/gtkui/files_tab.py	2013-04-24 02:01:40.172587724 +0200
@@ -361,7 +361,8 @@
             path = self.get_file_path(select).split("/")
             filepath = os.path.join(status["save_path"], *path)
             log.debug("Open file '%s'", filepath)
-            deluge.common.open_file(filepath)
+            timestamp = gtk.get_current_event_time()
+            deluge.common.open_file(filepath, timestamp=timestamp)
 
     ## The following 3 methods create the folder/file view in the treeview
     def prepare_file_store(self, files):