1.5.1

dist/liquid.js

@@ -1323,6 +1323,10 @@ ParseError.prototype = Object.create(Error.prototype);
 ParseError.prototype.constructor = ParseError;
 
 function RenderError(e, tpl) {
+    // return the original render error
+    if (e instanceof RenderError) {
+        return e;
+    }
     this.name = this.constructor.name;
     this.stack = e.stack;
 

package.json

@@ -1,6 +1,6 @@
 {
   "name": "shopify-liquid",
-  "version": "1.5.0",
+  "version": "1.5.1",
   "description": "A feature-rich Liquid template engine for Node.js and browsers, with compliance with the Ruby version.",
   "main": "index.js",
   "scripts": {