diff --git a/src/index.ts b/src/index.ts
index ed24c530..862cc006 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -76,6 +76,7 @@ export default function loader(
   const {
     mode,
     target,
+    request,
     sourceMap,
     rootContext,
     resourcePath,
@@ -240,6 +241,9 @@ export default function loader(
     code += `\nscript.__file = ${JSON.stringify(path.basename(resourcePath))}`
   }
 
+  // set modlue indentifier for SSR async components preload
+  code += `\nscript.__moduleIdentifier =${JSON.stringify(hash(request))}`
+
   // custom blocks
   if (descriptor.customBlocks && descriptor.customBlocks.length) {
     code += `\n/* custom blocks */\n`