diff --git a/cps/templates/layout.html b/cps/templates/layout.html
index e94d367f..6eded615 100644
--- a/cps/templates/layout.html
+++ b/cps/templates/layout.html
@@ -34,7 +34,7 @@
           </button>
           <a class="navbar-brand" href="{{url_for('index')}}">{{instance}}</a>
         </div>
-        {% if g.user.is_authenticated or g.user.is_anonymous() %}
+        {% if g.user.is_authenticated() or g.user.is_anonymous() %}
           <form class="navbar-form navbar-left" role="search" action="{{url_for('search')}}" method="GET">
             <div class="form-group input-group input-group-sm">
               <label for="query" class="sr-only">{{_('Search')}}</label>
@@ -46,13 +46,13 @@
           </form>
         {% endif %}
         <div class="navbar-collapse collapse">
-          {% if g.user.is_authenticated or g.user.is_anonymous() %}
+          {% if g.user.is_authenticated() or g.user.is_anonymous() %}
           <ul class="nav navbar-nav ">
             <li><a href="{{url_for('advanced_search')}}"><span class="glyphicon glyphicon-search"></span><span class="hidden-sm"> {{_('Advanced Search')}}</span></a></li>
           </ul>
           {% endif %}
           <ul class="nav navbar-nav navbar-right" id="main-nav">
-            {% if g.user.is_authenticated or g.user.is_anonymous() %}
+            {% if g.user.is_authenticated() or g.user.is_anonymous() %}
               {% if g.user.role_upload() or g.user.role_admin()%}
                 {% if g.allow_upload %}
                     <li>
@@ -72,8 +72,10 @@
               <li><a id="logout" href="{{url_for('logout')}}"><span class="glyphicon glyphicon-log-out"></span><span class="hidden-sm"> {{_('Logout')}}</span></a></li>
               {% endif %}
             {% endif %}
-            {% if g.allow_registration and not g.user.is_authenticated %}
+            {% if not g.user.is_authenticated() %}
             <li><a id="login" href="{{url_for('login')}}"><span class="glyphicon glyphicon-log-in"></span> {{_('Login')}}</a></li>
+            {% endif %}
+            {% if g.allow_registration and not g.user.is_authenticated() %}
             <li><a id="register" href="{{url_for('register')}}"><span class="glyphicon glyphicon-user"></span> {{_('Register')}}</a></li>
             {% endif %}
           </ul>
@@ -99,7 +101,7 @@
     {% endfor %}
     <div class="container-fluid">
       <div class="row-fluid">
-        {% if g.user.is_authenticated or g.user.is_anonymous() %}
+        {% if g.user.is_authenticated() or g.user.is_anonymous() %}
         <div class="col-sm-2">
           <nav class="navigation">
             <ul class="list-unstyled" id="scnd-nav" intent in-standard-append="nav.navigation" in-mobile-after="#main-nav" in-mobile-class="nav navbar-nav">
@@ -140,7 +142,7 @@
               {% if g.user.filter_language() == 'all' and g.user.show_language() %}
                 <li id="nav_lang"><a href="{{url_for('language_overview')}}"><span class="glyphicon glyphicon-flag"></span> {{_('Languages')}} </a></li>
               {%endif%}
-              {% if g.user.is_authenticated or g.user.is_anonymous() %}
+              {% if g.user.is_authenticated() or g.user.is_anonymous() %}
                 <li class="nav-head hidden-xs">{{_('Public Shelves')}}</li>
                 {% for shelf in g.public_shelfes %}
                   <li><a href="{{url_for('show_shelf', shelf_id=shelf.id)}}"><span class="glyphicon glyphicon-list"></span> {{shelf.name}}</a></li>
diff --git a/cps/templates/read.html b/cps/templates/read.html
index d972c2f6..97d451d0 100644
--- a/cps/templates/read.html
+++ b/cps/templates/read.html
@@ -84,7 +84,7 @@
               bookUrl: "{{ url_for('static', filename=bookid) }}/",
               bookmarkUrl: "{{ url_for('bookmark', book_id=bookid, book_format='EPUB') }}",
               bookmark: "{{ bookmark.bookmark_key if bookmark != None }}",
-              useBookmarks: {{ g.user.is_authenticated | tojson }}
+              useBookmarks: {{ g.user.is_authenticated() | tojson }}
           };
       </script>
       <script src="{{ url_for('static', filename='js/libs/jquery.min.js') }}"></script>
diff --git a/cps/templates/shelf.html b/cps/templates/shelf.html
index aaecdf9c..c6c11734 100644
--- a/cps/templates/shelf.html
+++ b/cps/templates/shelf.html
@@ -2,7 +2,7 @@
 {% block body %}
 <div class="discover">
   <h2>{{title}}</h2>
-  {% if g.user.is_authenticated %}
+  {% if g.user.is_authenticated() %}
     {% if (g.user.role_edit_shelfs() and shelf.is_public ) or not shelf.is_public  %}
       <div data-toggle="modal" data-target="#DeleteShelfDialog" class="btn btn-danger">{{ _('Delete this Shelf') }} </div>
       <a href="{{ url_for('edit_shelf', shelf_id=shelf.id) }}" class="btn btn-primary">{{ _('Edit Shelf name') }} </a>
diff --git a/cps/ub.py b/cps/ub.py
index 3d589c64..c6c062d1 100644
--- a/cps/ub.py
+++ b/cps/ub.py
@@ -51,7 +51,7 @@ DEVELOPMENT = False
 
 
 class UserBase:
-    @staticmethod
+    @classmethod
     def is_authenticated(self):
         return True
 
@@ -172,6 +172,7 @@ class Anonymous(AnonymousUserMixin, UserBase):
         settings = session.query(Settings).first()
         self.nickname = data.nickname
         self.role = data.role
+        self.id=data.id
         self.sidebar_view = data.sidebar_view
         self.default_language = data.default_language
         self.locale = data.locale
@@ -187,6 +188,8 @@ class Anonymous(AnonymousUserMixin, UserBase):
     def is_anonymous(self):
         return self.anon_browse
 
+    def is_authenticated(self):
+        return False
 
 # Baseclass representing Shelfs in calibre-web inapp.db
 class Shelf(Base):
diff --git a/cps/web.py b/cps/web.py
index 32af945a..96f5518d 100755
--- a/cps/web.py
+++ b/cps/web.py
@@ -866,7 +866,7 @@ def get_opds_download_link(book_id, book_format):
     book = db.session.query(db.Books).filter(db.Books.id == book_id).first()
     data = db.session.query(db.Data).filter(db.Data.book == book.id).filter(db.Data.format == book_format.upper()).first()
     app.logger.info(data.name)
-    if current_user.is_authenticated:
+    if current_user.is_authenticated():
         helper.update_download(book_id, int(current_user.id))
     file_name = book.title
     if len(book.authors) > 0:
@@ -1791,7 +1791,7 @@ def read_book(book_id, book_format):
     if not os.path.exists(book_dir):
         os.mkdir(book_dir)
     bookmark = None
-    if current_user.is_authenticated:
+    if current_user.is_authenticated():
         bookmark = ub.session.query(ub.Bookmark).filter(ub.and_(ub.Bookmark.user_id == int(current_user.id),
                                                             ub.Bookmark.book_id == book_id,
                                                             ub.Bookmark.format == book_format.upper())).first()
@@ -1842,7 +1842,7 @@ def get_download_link(book_id, book_format):
     data = db.session.query(db.Data).filter(db.Data.book == book.id).filter(db.Data.format == book_format.upper()).first()
     if data:
         # collect downloaded books only for registered user and not for anonymous user
-        if current_user.is_authenticated:
+        if current_user.is_authenticated():
             helper.update_download(book_id, int(current_user.id))
         file_name = book.title
         if len(book.authors) > 0:
@@ -1876,7 +1876,7 @@ def get_download_link_ext(book_id, book_format, anyname):
 def register():
     if not config.config_public_reg:
         abort(404)
-    if current_user is not None and current_user.is_authenticated:
+    if current_user is not None and current_user.is_authenticated():
         return redirect(url_for('index'))
 
     if request.method == "POST":
@@ -1913,7 +1913,7 @@ def register():
 def login():
     if not config.db_configured:
         return redirect(url_for('basic_configuration'))
-    if current_user is not None and current_user.is_authenticated:
+    if current_user is not None and current_user.is_authenticated():
         return redirect(url_for('index'))
     if request.method == "POST":
         form = request.form.to_dict()
@@ -1940,7 +1940,7 @@ def login():
 @app.route('/logout')
 @login_required
 def logout():
-    if current_user is not None and current_user.is_authenticated:
+    if current_user is not None and current_user.is_authenticated():
         logout_user()
     return redirect(url_for('login'))