diff --git a/lib/loader.js b/lib/loader.js
index 217d7bc3d..dfb1d2f04 100644
--- a/lib/loader.js
+++ b/lib/loader.js
@@ -82,7 +82,7 @@ module.exports = function (content) {
     process.cwd()
   const sourceRoot = path.dirname(path.relative(context, filePath))
   const shortFilePath = path.relative(context, filePath).replace(/^(\.\.[\\\/])+/, '')
-  const moduleId = 'data-v-' + hash(isProduction ? content : shortFilePath)
+  const moduleId = 'data-v-' + hash(isProduction ? (shortFilePath + '\n' + content) : shortFilePath)
 
   let cssLoaderOptions = ''
   if (!isProduction && this.sourceMap && options.cssSourceMap !== false) {