diff --git a/index.js b/index.js
index 82f1acff..b216c187 100644
--- a/index.js
+++ b/index.js
@@ -289,7 +289,7 @@ ExtractTextPlugin.prototype.apply = function(compiler) {
 			extractedChunks.forEach(function(extractedChunk) {
 				if(extractedChunk.modules.length) {
 					extractedChunk.modules.sort(function(a, b) {
-						if(isInvalidOrder(a, b)) {
+						if(!options.ignoreOrder && isInvalidOrder(a, b)) {
 							compilation.errors.push(new OrderUndefinedError(a.getOriginalModule()));
 							compilation.errors.push(new OrderUndefinedError(b.getOriginalModule()));
 						}