diff --git a/inbox-size b/inbox-size
index 0422aba..113715a 100755
--- a/inbox-size
+++ b/inbox-size
@@ -1,6 +1,8 @@
-#!/usr/bin/env -S scsh -s
-;; # -*- mode: scheme; -*-
+#!/usr/bin/env sh
+# -*- mode: scheme; -*-
+IFS=" "
+exec scsh -s "$0" "$@"
 !#
 
-(display (run (emacs --quick --batch --visit ~/documents/gtd/inbox.org
-                     --eval "(princ (how-many \"^\\\\* +\"))")))
+(run (emacs --quick --batch --visit ~/documents/gtd/inbox.org
+            --eval "(princ (how-many (rx bol \"*\" (one-or-more space))))"))