diff --git a/ereuse_devicehub/inventory/forms.py b/ereuse_devicehub/inventory/forms.py
index fffefa39..cec788b4 100644
--- a/ereuse_devicehub/inventory/forms.py
+++ b/ereuse_devicehub/inventory/forms.py
@@ -133,7 +133,7 @@ class FilterForm(FlaskForm):
         super().__init__(*args, **kwargs)
         self.lots = lots
         self.lot_id = lot_id
-        self.unassigned = kwargs.pop('unassigned', False)
+        self.only_unassigned = kwargs.pop('only_unassigned', True)
         self._get_types()
 
     def _get_types(self):
@@ -150,7 +150,7 @@ class FilterForm(FlaskForm):
             self.devices = Device.query.filter(Device.id.in_(device_ids))
         else:
             self.devices = Device.query.filter(Device.owner_id == g.user.id)
-            if self.unassigned:
+            if self.only_unassigned:
                 self.devices = self.devices.filter_by(lots=None)
 
     def search(self):
diff --git a/ereuse_devicehub/inventory/views.py b/ereuse_devicehub/inventory/views.py
index e11e9d2c..09e61535 100644
--- a/ereuse_devicehub/inventory/views.py
+++ b/ereuse_devicehub/inventory/views.py
@@ -1,5 +1,6 @@
 import csv
 import logging
+from distutils.util import strtobool
 from io import StringIO
 
 import flask
@@ -40,10 +41,10 @@ logger = logging.getLogger(__name__)
 class DeviceListMix(GenericMixView):
     template_name = 'inventory/device_list.html'
 
-    def get_context(self, lot_id, unassigned=False):
+    def get_context(self, lot_id, only_unassigned=True):
         super().get_context()
         lots = self.context['lots']
-        form_filter = FilterForm(lots, lot_id, unassigned=unassigned)
+        form_filter = FilterForm(lots, lot_id, only_unassigned=only_unassigned)
         devices = form_filter.search()
         lot = None
 
@@ -71,7 +72,7 @@ class DeviceListMix(GenericMixView):
                 'lot': lot,
                 'tags': self.get_user_tags(),
                 'list_devices': self.get_selected_devices(form_new_action),
-                'unassigned_devices': unassigned,
+                'unassigned_devices': only_unassigned,
             }
         )
 
@@ -94,8 +95,10 @@ class DeviceListMix(GenericMixView):
 
 class DeviceListView(DeviceListMix):
     def dispatch_request(self, lot_id=None):
-        unassigned = request.args.get('unassigned', False)
-        self.get_context(lot_id, unassigned)
+        only_unassigned = request.args.get(
+            'only_unassigned', default=True, type=strtobool
+        )
+        self.get_context(lot_id, only_unassigned)
         return flask.render_template(self.template_name, **self.context)
 
 
diff --git a/ereuse_devicehub/templates/ereuse_devicehub/base_site.html b/ereuse_devicehub/templates/ereuse_devicehub/base_site.html
index 2f254204..74147824 100644
--- a/ereuse_devicehub/templates/ereuse_devicehub/base_site.html
+++ b/ereuse_devicehub/templates/ereuse_devicehub/base_site.html
@@ -104,14 +104,14 @@
     <li class="nav-heading">Devices</li>
 
     <li class="nav-item">
-      <a class="nav-link collapsed" href="{{ url_for('inventory.devicelist') }}">
+      <a class="nav-link collapsed" href="{{ url_for('inventory.devicelist') }}?only_unassigned=false">
         <i class="bi bi-laptop"></i>
         <span>All devices</span>
       </a>
     </li>
 
     <li class="nav-item">
-      <a class="nav-link collapsed" href="{{ url_for('inventory.devicelist') }}?unassigned=true">
+      <a class="nav-link collapsed" href="{{ url_for('inventory.devicelist') }}">
         <i class="bi-menu-button-wide"></i>
         <span>Unassigned devices</span>
       </a>