diff --git a/asdf.lisp b/asdf.lisp
index 398b5a6824eff76151ada6afdb3d904ef37a9b95..d1a8aa196291d5f4686dfde5dbade8e91acc7fd7 100644
--- a/asdf.lisp
+++ b/asdf.lisp
@@ -1,4 +1,5 @@
 ;;; $Format:%H$
+;;; $Format:%d$
 ;;; This is asdf: Another System Definition Facility. Revision: @@VERSION@@ 
 ;;;
 ;;; Feedback, bug reports, and patches are all welcome: please mail to