diff --git a/abonapp/templates/abonapp/editAbon.html b/abonapp/templates/abonapp/editAbon.html
index ed9a8ad..d87eb2a 100644
--- a/abonapp/templates/abonapp/editAbon.html
+++ b/abonapp/templates/abonapp/editAbon.html
@@ -148,7 +148,7 @@
                             <div class="col-sm-8 btn-group btn-group-sm">
                                 {% if device %}
                                     <a href="{% url 'devapp:view' group.pk device.pk %}" target="_blank" class="btn btn-sm btn-default" title="{% trans 'Mac Address' %}: {{ device.mac_addr|default:_('Not assigned') }}">
-                                        <span class="glyphicon glyphicon-hdd"></span> <span class="hidden-md">{{ device.comment|truncatechars:11 }} {{ device.ip_address }}</span>
+                                        <span class="glyphicon glyphicon-hdd"></span> <span class="hidden-md">{{ device.comment|truncatechars:11 }} {{ device.ip_address|default:'' }}</span>
                                     </a>
                                     <a href="{% url 'abonapp:clear_dev' group.pk abon.username %}" class="btn btn-sm btn-danger">
 					                    <span class="glyphicon glyphicon-remove-circle"></span> <span class="hidden-xs hidden-lg">{% trans 'Remove clutch' %}</span>
diff --git a/clientsideapp/templates/clientsideapp/index.html b/clientsideapp/templates/clientsideapp/index.html
index 3ac7e35..1816629 100644
--- a/clientsideapp/templates/clientsideapp/index.html
+++ b/clientsideapp/templates/clientsideapp/index.html
@@ -18,7 +18,7 @@
             <dd>{{ user.telephone }}</dd>
 
             <dt>{% trans 'Ip Address' %}</dt>
-            <dd>{{ user.ip_address }}</dd>
+            <dd>{{ user.ip_address|default:'' }}</dd>
 
             {% if user.street %}
                 <dt>{% trans 'Address' %}</dt>
diff --git a/devapp/templates/devapp/add_dev.html b/devapp/templates/devapp/add_dev.html
index 30fbb9c..abe1098 100644
--- a/devapp/templates/devapp/add_dev.html
+++ b/devapp/templates/devapp/add_dev.html
@@ -51,7 +51,7 @@
 
                         {% if selected_parent_dev %}
                             <button class="selectajax-btn form-control btn btn-default">
-                                {{ selected_parent_dev.ip_address }}: {{ selected_parent_dev.comment }}
+                                {{ selected_parent_dev.ip_address|default:'' }}: {{ selected_parent_dev.comment }}
                             </button>
                         {% else %}
                             <button class="selectajax-btn form-control btn btn-default hidden"></button>
diff --git a/devapp/templates/devapp/devices.html b/devapp/templates/devapp/devices.html
index 50ab582..5d3013b 100644
--- a/devapp/templates/devapp/devices.html
+++ b/devapp/templates/devapp/devices.html
@@ -59,7 +59,7 @@
                             {% endif %}
                         </a>
                     </td>
-                    <td><a href="{{ viewurl }}">{{ dev.ip_address }}</a></td>
+                    <td><a href="{{ viewurl }}">{{ dev.ip_address|default:'' }}</a></td>
                     <td>{{ dev.comment }}</td>
                     <td>{{ dev.mac_addr|default:_('Not assigned') }}</td>
                     <td>{{ dev.get_devtype_display }}</td>
diff --git a/devapp/templates/devapp/ext.htm b/devapp/templates/devapp/ext.htm
index b7ee865..4f05db1 100644
--- a/devapp/templates/devapp/ext.htm
+++ b/devapp/templates/devapp/ext.htm
@@ -28,7 +28,7 @@
         {% url 'devapp:view' dev.group.pk|default:0 dev.pk as devapp_view %}
         <li{% if devapp_view == request.path %} class="active"{% endif %}>
             <a href="{{ devapp_view }}">
-                {% trans 'View' %} {{ dev.ip_address }}
+                {% trans 'View' %} {{ dev.ip_address|default:'' }}
             </a>
         </li>