diff --git a/asdf.lisp b/asdf.lisp
index 70a9cb63253ca650c5e726ef43734ec387ef5bb6..b871327980687e1fa37757b2d44217508235982c 100644
--- a/asdf.lisp
+++ b/asdf.lisp
@@ -147,7 +147,7 @@
 
 (defvar *asdf-revision* 
   ;; the 1+ hair is to ensure that we don't do an inadvertant find and replace
-  (subseq "REVISION:1.365"))))
+  (subseq "REVISION:1.365" (1+ (length "REVISION"))))
   
 
 (defvar *resolve-symlinks* t