diff --git a/src/dapi/format/JsonResponse.js b/src/dapi/format/JsonResponse.js
index a9fc714..db357e8 100644
--- a/src/dapi/format/JsonResponse.js
+++ b/src/dapi/format/JsonResponse.js
@@ -1,7 +1,7 @@
 /**
  * Processes DataApi return data as JSON
  *
- *  Copyright (C) 2014 LoVullo Associates, Inc.
+ *  Copyright (C) 2014, 2015 LoVullo Associates, Inc.
  *
  *  This file is part of the Liza Data Collection Framework
  *
@@ -40,7 +40,7 @@ module.exports = Trait( 'JsonResponse' )
      *
      * @return {DataApi} self
      */
-    'abstract override public request': function( data, callback )
+    'virtual abstract override public request': function( data, callback )
     {
         this.__super( data, function( err, resp )
         {
diff --git a/test/dapi/format/JsonResponseTest.js b/test/dapi/format/JsonResponseTest.js
index ede3046..2932a56 100644
--- a/test/dapi/format/JsonResponseTest.js
+++ b/test/dapi/format/JsonResponseTest.js
@@ -1,7 +1,7 @@
 /**
  * Test case for JSON formatting of API result
  *
- *  Copyright (C) 2014 LoVullo Associates, Inc.
+ *  Copyright (C) 2014, 2015 LoVullo Associates, Inc.
  *
  *  This file is part of the Liza Data Collection Framework
  *