diff --git a/templates/content_index.html b/templates/content_index.html
index 5470e49ae39700e4c08a9945e20c6c3d10c0918f..b076ce59cc5a6850889d30807b390c6539b0d3ae 100644
--- a/templates/content_index.html
+++ b/templates/content_index.html
@@ -4,7 +4,7 @@
             <h3 class="mdl-card__title-text">{{ event.name }}: {{ speaker.name }}</h3>
         </div>
         <div class="mdl-card__actions">
-            {% if current_user.is_authenticated and "user" in current_user.roles %}
+            {% if current_user.is_authenticated() and "user" in current_user.roles %}
             <a href="{{ url_for("speech.index", event=event.id) }}">
                 <button type="button" class="mdl-button mdl-js-button mdl-button--raised mdl-button--colored">
                     <i class="material-icons" role="presentation">build</i>
diff --git a/templates/layout.html b/templates/layout.html
index ee9b659775b42ff3352546d284e584e9e48a9be6..3cf73678f076f9c5613b0b7bc0374c00f1a49d03 100644
--- a/templates/layout.html
+++ b/templates/layout.html
@@ -44,7 +44,7 @@
         <header class="rede-drawer-header">
             <div class="rede-account-dropdown">
                 <span>
-                {% if current_user.is_authenticated %}
+                {% if current_user.is_authenticated() %}
                     <p class="md-24">
                         <i class="material-icons md-48">
                             {% if "user" in current_user.roles and not "admin" in current_user.roles %}
@@ -69,7 +69,7 @@
                 </button>
                 </span>
                 <ul class="mdl-menu mdl-menu--bottom-left mdl-js-menu mdl-js-ripple-effet" for="accbtn">
-                    {% if current_user.is_authenticated %}
+                    {% if current_user.is_authenticated() %}
                     <li class="mdl-menu__item"><a class="mdl-navigation__link" href="{{ url_for("logout") }}">Logout</a></li>
                     {% else %}
                     <li class="mdl-menu__item"><a class="mdl-navigation__link" href="{{ url_for("login") }}">Login</a></li>
@@ -83,7 +83,7 @@
             <a class="mdl-navigation__link" href="{{ url_for("speech.index") }}"><i class="mdl-color-text--blue-grey-400 material-icons" role="presentation">build</i>Handle speakers</a>
             {% endif %}
             <a class="mdl-navigation__link" href="{{ url_for("speech.show") }}"><i class="mdl-color-text--blue-grey-400 material-icons" role="presentation">announcement</i>Pending speakers</a>
-            {% if current_user.is_authenticated and "admin" in current_user.roles %}
+            {% if current_user.is_authenticated() and "admin" in current_user.roles %}
             <a class="mdl-navigation__link" href="{{ url_for("admin.index") }}"><i class="mdl-color-text--blue-grey-400 material-icons" role="presentation">computer</i>Administration</a>
             {% block additional_sidelinks %}
             <!-- put your additional sidelinks here -->
diff --git a/templates/speech_index.html b/templates/speech_index.html
index 6c3f205e00efe3f8b9a335aaa95574c1e3abda7e..961f14536c2751421452158b14db583d2c227c75 100644
--- a/templates/speech_index.html
+++ b/templates/speech_index.html
@@ -56,7 +56,7 @@
             {% endfor %}
             </tbody>
         </table>
-        {% if current_user.is_authenticated and "user" in current_user.roles %}
+        {% if current_user.is_authenticated() and "user" in current_user.roles %}
             {{ render_form(add_form, action_url=url_for('.add', next=".index", event=event_id), action_text="Add", title="Add Speaker to {}".format(event.name)) }}
         {% endif %}
     {% endfor %}