Index: gnome-session-2.19.4/gnome-session/ice.c
===================================================================
--- gnome-session-2.19.4.orig/gnome-session/ice.c
+++ gnome-session-2.19.4/gnome-session/ice.c
@@ -384,6 +384,8 @@ initialize_ice (void)
   ids = IceComposeNetworkIdList (num_sockets, sockets);
   g_setenv (ENVNAME, ids, TRUE);
   free (ids);
+
+  putenv (g_strconcat (ICE_AUTHORITY_ENV_NAME "=", authfile, NULL));
   
   ice_depth = 0;	/* We are live */
 }
Index: gnome-session-2.19.4/gnome-session/ice.h
===================================================================
--- gnome-session-2.19.4.orig/gnome-session/ice.h
+++ gnome-session-2.19.4/gnome-session/ice.h
@@ -24,6 +24,7 @@
 
 #define MAGIC_COOKIE_LEN 16
 #define ENVNAME "SESSION_MANAGER"
+#define ICE_AUTHORITY_ENV_NAME "ICEAUTHORITY"
 
 /* List of all auth entries.  */
 extern GSList *auth_entries;