diff --git a/lib/addStylesClient.js b/lib/addStylesClient.js
index 6efcc735..920b00bb 100644
--- a/lib/addStylesClient.js
+++ b/lib/addStylesClient.js
@@ -200,7 +200,7 @@ function applyToTag (styleElement, obj) {
     styleElement.setAttribute('media', media)
   }
   if (options.ssrId) {
-    styleElement.setAttribute(ssridKey, obj.id)
+    styleElement.setAttribute(ssrIdKey, obj.id)
   }
 
   if (sourceMap) {
diff --git a/package.json b/package.json
index 5267a6c9..b61442bf 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "vue-style-loader",
-  "version": "4.0.0",
+  "version": "4.0.1",
   "author": "Evan You",
   "description": "Vue.js style loader module for webpack",
   "repository": {