diff --git a/packages/pug/lib/index.js b/packages/pug/lib/index.js
index e76487d2c..2d9b16c9c 100644
--- a/packages/pug/lib/index.js
+++ b/packages/pug/lib/index.js
@@ -172,7 +172,7 @@ function compileBody(str, options){
 
   // Compile
   ast = applyPlugins(ast, options, plugins, 'preCodeGen');
-  var js = generateCode(ast, {
+  var js = (findReplacementFunc(plugins, 'generateCode') || generateCode)(ast, {
     pretty: options.pretty,
     compileDebug: options.compileDebug,
     doctype: options.doctype,