diff --git a/src/history/html5.js b/src/history/html5.js
index bb5e51227..e8df9f746 100644
--- a/src/history/html5.js
+++ b/src/history/html5.js
@@ -89,7 +89,7 @@ export function getLocation (base: string): string {
   let path = window.location.pathname
   // base="/a" shouldn't turn path="/app" into "/a/pp" https://github.com/vuejs/vue-router/issues/3555
   if (base && ((path.toLowerCase() === base.toLowerCase()) ||
-		(path.toLowerCase().indexOf(cleanPath(base.toLowerCase() + '/')) === 0))) {
+    (path.toLowerCase().indexOf(cleanPath(base.toLowerCase() + '/')) === 0))) {
     path = path.slice(base.length)
   }
   return (path || '/') + window.location.search + window.location.hash