diff --git a/test/_helper.js b/test/_helper.js
index c44d9f672f..657f133804 100644
--- a/test/_helper.js
+++ b/test/_helper.js
@@ -19,14 +19,14 @@ var readFile = exports.readFile = function (filename) {
   }
 };
 
-exports.esvalid = function (ast, loc) {
+exports.esvalid = function (ast, code, loc) {
   var errors = esvalid.errors(ast);
   if (errors.length) {
     var msg = [];
     _.each(errors, function (err) {
       msg.push(err.message + " - " + JSON.stringify(err.node));
     });
-    throw new Error(loc + ": " + msg.join(". "));
+    throw new Error(loc + ": " + msg.join(". ") + "\n" + code);
   }
 };
 
diff --git a/test/_transformation-helper.js b/test/_transformation-helper.js
index 3d6fb56166..0539c6b79a 100644
--- a/test/_transformation-helper.js
+++ b/test/_transformation-helper.js
@@ -54,7 +54,7 @@ var run = function (task, done) {
 
   var checkAst = function (result, opts) {
     if (noCheckAst) return;
-    helper.esvalid(result.ast.program, opts.loc);
+    helper.esvalid(result.ast.program, result.code, opts.loc);
   };
 
   if (execCode) {