diff --git a/lib/addStylesServer.js b/lib/addStylesServer.js
index ab474ff9..033b9952 100644
--- a/lib/addStylesServer.js
+++ b/lib/addStylesServer.js
@@ -12,6 +12,9 @@ module.exports = function (parentId, list, isProduction, context) {
           return renderStyles(context._styles)
         }
       })
+      Object.defineProperty(context, '_renderStyles', {
+        value: renderStyles
+      })
     }
 
     var styles = context._styles || (context._styles = {})