diff --git a/hot/only-dev-server.js b/hot/only-dev-server.js
index 7312beb82d6..16f1c49c862 100644
--- a/hot/only-dev-server.js
+++ b/hot/only-dev-server.js
@@ -13,7 +13,7 @@ if (module.hot) {
 		module.hot
 			.check()
 			.then(function (updatedModules) {
-				if (!updatedModules) {
+				if (!updatedModules || updatedModules.length === 0) {
 					log("warning", "[HMR] Cannot find update. Need to do a full reload!");
 					log(
 						"warning",