diff --git a/lib/amd/src/localstorage.js b/lib/amd/src/localstorage.js
index 48cda61b567..3ca51ecffd4 100644
--- a/lib/amd/src/localstorage.js
+++ b/lib/amd/src/localstorage.js
@@ -55,8 +55,8 @@ define(['core/config'], function(config) {
             if (localStorage === null) {
                 return false;
             }
-	    // MDL-51461 - Some browsers misreport availability of local storage
-	    // so check it is actually usable.
+            // MDL-51461 - Some browsers misreport availability of local storage
+            // so check it is actually usable.
             localStorage.setItem(testKey, '1');
             localStorage.removeItem(testKey);
             return true;