diff --git a/gio/gdbusaddress.c b/gio/gdbusaddress.c
index f0cb1b6a0..45d6fd054 100644
--- a/gio/gdbusaddress.c
+++ b/gio/gdbusaddress.c
@@ -580,7 +580,7 @@ g_dbus_address_connect (const gchar   *address_entry,
     {
       const gchar *s;
       const gchar *host;
-      guint port;
+      glong port;
       gchar *endp;
       gboolean is_nonce;