diff --git a/packages/schematics/angular/config/files/karma.conf.js.template b/packages/schematics/angular/config/files/karma.conf.js.template
index 4bd2af418f5b..baac0d52587a 100644
--- a/packages/schematics/angular/config/files/karma.conf.js.template
+++ b/packages/schematics/angular/config/files/karma.conf.js.template
@@ -4,6 +4,7 @@
 module.exports = function (config) {
   config.set({
     basePath: '',
+    rootUrl: '/',
     frameworks: ['jasmine'<% if (needDevkitPlugin) { %>, '@angular-devkit/build-angular'<% } %>],
     plugins: [
       require('karma-jasmine'),