diff --git a/webpack.server.config.js b/webpack.server.config.js
index 5d475f8889c115d49afe84ffecf8f6e6fe7eb472..73807ffff9edfad9444b60d646b72a6923a49792 100644
--- a/webpack.server.config.js
+++ b/webpack.server.config.js
@@ -17,7 +17,7 @@ module.exports = {
     filename: '[name].js'
   },
   module: {
-    rules: [{test: /\.ts$/, loader: 'ts-loader'}]
+    rules: [{test: /\.ts$/, loader: 'ts-loader', options: {allowTsInNodeModules: true}}]
   },
   plugins: [
     // Temporary Fix for issue: https://github.com/angular/angular/issues/11580