wip #6059

diff --git a/js/libs/fluidbook/fluidbook.secure.js b/js/libs/fluidbook/fluidbook.secure.js
index 8980c17d58ca2e972e9e5a28fc92cd8fe22c1d09..a7a44bee6466766d2c7e48a06c155987f0720253 100644 (file)
--- a/js/libs/fluidbook/fluidbook.secure.js
+++ b/js/libs/fluidbook/fluidbook.secure.js
@@ -127,7 +127,10 @@ FluidbookSecure.prototype = {
 
     checkSecureByClientSidePassword: function (callback) {
 
-        var u = window.sessionStorage.getItem('secureUsername').toLowerCase();
+        var u = window.sessionStorage.getItem('secureUsername');
+        if (u !== null) {
+            u = u.toLowerCase();
+        }
         var p = window.sessionStorage.getItem('securePassword');
         var ok = false;
         if (u !== null && p !== null) {