diff --git a/pkg-def.scm b/pkg-def.scm
index 9756515..ca22050 100644
--- a/pkg-def.scm
+++ b/pkg-def.scm
@@ -1,5 +1,6 @@
 (define-package "sunet" (2 1) 
-  ((options (with-surflets "Install with SUrflets (requires SSAX)" "<yes/no>" #t #t #t
+  ((install-lib-version (1 0))
+   (options (with-surflets "Install with SUrflets (requires SSAX)" "<yes/no>" #t #t #t
                            ,parse-boolean ,show-boolean)))
   (let ((surflets? (get-option-value 'with-surflets)))
     (install-directory-contents "scheme" 'scheme)