1 files changed, 1 insertions, 1 deletions
diff --git a/style.lisp b/style.lisp
index e435268..6ee60a7 100644
--- a/style.lisp
+++ b/style.lisp
@@ -2,7 +2,7 @@
 
 (in-package :vampire)
 
-(defvar *css-version* "4")
+(defparameter *css-version* "4")
 
 (defun include-style (body)
   (load-css (html-document body) (format nil "/css/main-~a.css" *css-version*) :load-only-once nil))