diff --git a/tools/dbus-send.c b/tools/dbus-send.c
index cde0bb7..0a6f79a 100644
--- a/tools/dbus-send.c
+++ b/tools/dbus-send.c
@@ -67,6 +67,7 @@ append_arg (DBusMessageIter *iter, int type, const char *value)
   double d;
   unsigned char byte;
   dbus_bool_t v_BOOLEAN;
+  int _int;
   
   /* FIXME - we are ignoring OOM returns on all these functions */
   switch (type)
@@ -137,6 +138,11 @@ append_arg (DBusMessageIter *iter, int type, const char *value)
 	}
       break;
 
+    case DBUS_TYPE_UNIX_FD:
+      _int = strtoul (value, NULL, 0);
+      dbus_message_iter_append_basic (iter, DBUS_TYPE_UNIX_FD, &_int);
+      break;
+
     default:
       fprintf (stderr, "%s: Unsupported data type %c\n", appname, (char) type);
       exit (1);
@@ -215,6 +221,8 @@ type_from_name (const char *arg)
     type = DBUS_TYPE_BOOLEAN;
   else if (!strcmp (arg, "objpath"))
     type = DBUS_TYPE_OBJECT_PATH;
+  else if (!strcmp (arg, "fd"))
+    type = DBUS_TYPE_UNIX_FD;
   else
     {
       fprintf (stderr, "%s: Unknown type \"%s\"\n", appname, arg);