diff --git a/content/commands.js b/content/commands.js
index 9224023d..ee85a36f 100644
--- a/content/commands.js
+++ b/content/commands.js
@@ -796,6 +796,7 @@ function Commands() //{{{
             serial: function () [
                 {
                     command: this.name,
+                    bang: true,
                     // Yeah, this is a bit scary. Perhaps I'll fix it when I'm
                     // awake.
                     options: util.Array.assocToObj(util.map({argCount: "-nargs", bang: "-bang", count: "-count"},