diff --git a/as.scm b/as.scm
index a08837c..8f6d6b0 100644
--- a/as.scm
+++ b/as.scm
@@ -5,6 +5,8 @@
 
 (require mzscheme) ; promise we won't redefine mzscheme bindings
 
+(port-count-lines-enabled #t)
+
 (load "ac.scm") 
 (require "brackets.scm")
 (use-bracket-readtable)