diff --git a/lib/renderer.mjs b/lib/renderer.mjs
index a58914c..59355d2 100644
--- a/lib/renderer.mjs
+++ b/lib/renderer.mjs
@@ -40,7 +40,7 @@ default_rules.fence = function (tokens, idx, options, env, slf) {
 
   let highlighted
   if (options.highlight) {
-    highlighted = options.highlight(token.content, langName, langAttrs) || escapeHtml(token.content)
+    highlighted = options.highlight(token.content, langName, langAttrs, env) || escapeHtml(token.content)
   } else {
     highlighted = escapeHtml(token.content)
   }