diff --git a/src/librustdoc/html/static/storage.js b/src/librustdoc/html/static/storage.js
index 11265ae0ee339..a50ed5b662bf6 100644
--- a/src/librustdoc/html/static/storage.js
+++ b/src/librustdoc/html/static/storage.js
@@ -99,7 +99,7 @@ function updateLocalStorage(name, value) {
 
 function getCurrentValue(name) {
     try {
-        window.localStorage.getItem(name);
+        return window.localStorage.getItem(name);
     } catch(e) {
         return null;
     }