diff --git a/package.json b/package.json
index e25c490f..5819db51 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "gavel",
   "version": "0.2.0",
   "description": "Gavel HTTP validator JavaScript library",
-  "main": "lib/gavel.js",
+  "main": "src/gavel.coffee",
   "directories": {
     "test": "test"
   },
diff --git a/src/validators/headers-json-example.coffee b/src/validators/headers-json-example.coffee
index ec3c435c..3e027d2d 100644
--- a/src/validators/headers-json-example.coffee
+++ b/src/validators/headers-json-example.coffee
@@ -23,7 +23,7 @@ class HeadersJsonExample
       @expected = JSON.parse(JSON.stringify(@expected))
     catch error
       outError = new errors.MalformedDataError "Headers validator - Expected malformed:" + error.message
-      outError['data'] = @expected
+      @expected = @prepareHeaders JSON.parse(JSON.stringify(@expected))
       throw outError
 
     try
@@ -44,7 +44,7 @@ class HeadersJsonExample
 
     @validator = new JsonSchema @real, @schema
 
-  #calls validation for given data
+  #calls validation for given dataHeadersJsonExample
   validate: () ->
     @output = @validator.validate()