diff --git a/files/scripts/selinux/chromium/chromium.te b/files/scripts/selinux/chromium/chromium.te
index 9273d649..34f332cf 100644
--- a/files/scripts/selinux/chromium/chromium.te
+++ b/files/scripts/selinux/chromium/chromium.te
@@ -146,8 +146,11 @@ files_read_etc_files(chromium_t)
 files_watch_etc_dirs(chromium_t)
 files_dontaudit_getattr_all_dirs(chromium_t)
 
-dbus_all_session_bus_client(chromium_t)
-dbus_system_bus_client(chromium_t)
+optional_policy(`
+	dbus_system_bus_client(thunderbird_t)
+	dbus_all_session_bus_client(thunderbird_t)
+')
+
 unconfined_dbus_chat(chromium_t)
 devicekit_dbus_chat_disk(chromium_t)
 devicekit_dbus_chat_power(chromium_t)