diff --git a/lib/Stats.js b/lib/Stats.js
index d290f4ebd..d02b43c5e 100644
--- a/lib/Stats.js
+++ b/lib/Stats.js
@@ -85,6 +85,7 @@ Stats.prototype.toJson = function toJson(options, forToString) {
 	}
 	if(showAssets) {
 		var assetsByFile = {};
+		obj.assetsByChunkName = {};
 		obj.assets = Object.keys(compilation.assets).map(function(asset) {
 			var obj = {
 				name: asset,
@@ -102,8 +103,10 @@ Stats.prototype.toJson = function toJson(options, forToString) {
 					chunk.ids.forEach(function(id) {
 						assetsByFile[asset].chunks.push(id);
 					});
-					if(chunk.name)
+					if(chunk.name) {
 						assetsByFile[asset].chunkNames.push(chunk.name);
+						obj.assetsByChunkName[chunk.name] = asset;
+					}
 				}
 			});
 		});