1 files changed, 1 insertions, 0 deletions
diff --git a/lib/scripts/cookie.js b/lib/scripts/cookie.js
index c236eeb79..d7e6b3550 100644
--- a/lib/scripts/cookie.js
+++ b/lib/scripts/cookie.js
@@ -29,6 +29,7 @@ DokuCookie = {
         //save the whole data array
         var text = '';
         for(var key in DokuCookie.data){
+            if (!DokuCookie.data.hasOwnProperty(key)) continue;
             text += '#'+escape(key)+'#'+DokuCookie.data[key];
         }
         DokuCookie.setCookie(DokuCookie.name,text.substr(1),now,DOKU_BASE);