diff --git a/app/Activity.php b/app/Activity.php
index cb7ef443..2ab00d8f 100644
--- a/app/Activity.php
+++ b/app/Activity.php
@@ -21,6 +21,7 @@ class Activity extends Model
 
     public $casts = [
         'nami_id' => 'integer',
+        'is_filterable' => 'boolean',
     ];
 
     public function sluggable(): array
@@ -49,5 +50,4 @@ class Activity extends Model
     {
         return $this->belongsToMany(Subactivity::class);
     }
-
 }
diff --git a/app/Activity/Actions/ActivityStoreAction.php b/app/Activity/Actions/ActivityStoreAction.php
index 5afc40eb..22b5eb00 100644
--- a/app/Activity/Actions/ActivityStoreAction.php
+++ b/app/Activity/Actions/ActivityStoreAction.php
@@ -30,6 +30,7 @@ class ActivityStoreAction
     {
         return [
             'name' => 'required|max:255',
+            'is_filterable' => 'present|boolean',
             'subactivities' => 'present|array',
         ];
     }
diff --git a/app/Activity/Actions/ActivityUpdateAction.php b/app/Activity/Actions/ActivityUpdateAction.php
index 1f45ead2..ce7f7f5f 100644
--- a/app/Activity/Actions/ActivityUpdateAction.php
+++ b/app/Activity/Actions/ActivityUpdateAction.php
@@ -22,7 +22,7 @@ class ActivityUpdateAction
      */
     public function handle(Activity $activity, array $payload): void
     {
-        DB::transaction(function() use ($activity, $payload) {
+        DB::transaction(function () use ($activity, $payload) {
             $activity->update($payload);
             $activity->subactivities()->sync($payload['subactivities']);
         });
@@ -35,7 +35,8 @@ class ActivityUpdateAction
     {
         return [
             'name' => 'required|max:255',
-            'subactivities' => 'present|array'
+            'is_filterable' => 'present|boolean',
+            'subactivities' => 'present|array',
         ];
     }
 
@@ -52,6 +53,7 @@ class ActivityUpdateAction
 
     /**
      * @todo handle this with a model event on the pivot model
+     *
      * @param Payload $payload
      */
     private function validateNami(Activity $activity, array $payload): void
diff --git a/app/Activity/Actions/CreateAction.php b/app/Activity/Actions/CreateAction.php
index 547265db..ce60a787 100644
--- a/app/Activity/Actions/CreateAction.php
+++ b/app/Activity/Actions/CreateAction.php
@@ -2,7 +2,6 @@
 
 namespace App\Activity\Actions;
 
-use App\Activity;
 use App\Activity\Resources\ActivityResource;
 use Inertia\Inertia;
 use Inertia\Response;
@@ -18,8 +17,9 @@ class CreateAction
             'meta' => ActivityResource::meta(),
             'data' => [
                 'name' => '',
+                'is_filterable' => false,
                 'subactivities' => [],
-            ]
+            ],
         ]);
     }
 }
diff --git a/app/Activity/Resources/ActivityResource.php b/app/Activity/Resources/ActivityResource.php
index 250ca158..3bdbc3d2 100644
--- a/app/Activity/Resources/ActivityResource.php
+++ b/app/Activity/Resources/ActivityResource.php
@@ -28,11 +28,12 @@ class ActivityResource extends JsonResource
             'name' => $this->name,
             'id' => $this->id,
             'subactivities' => $this->subactivities->pluck('id')->toArray(),
+            'is_filterable' => $this->is_filterable,
             'links' => [
                 'edit' => route('activity.edit', ['activity' => $this->getModel()]),
                 'update' => route('activity.update', ['activity' => $this->getModel()]),
                 'destroy' => route('activity.destroy', ['activity' => $this->getModel()]),
-            ]
+            ],
         ];
     }
 
diff --git a/resources/js/views/activity/VForm.vue b/resources/js/views/activity/VForm.vue
index 1b603a45..43043d03 100644
--- a/resources/js/views/activity/VForm.vue
+++ b/resources/js/views/activity/VForm.vue
@@ -1,6 +1,9 @@
 <template>
     <form id="actionform" class="grow p-3" @submit.prevent="submit">
-        <f-text id="name" v-model="inner.name" label="Name" required></f-text>
+        <div class="flex space-x-3">
+            <f-text id="name" v-model="inner.name" label="Name" required></f-text>
+            <f-switch v-model="inner.is_filterable" name="is_filterable" id="is_filterable" label="Filterbar"></f-switch>
+        </div>
         <checkboxes-label class="mt-6">Untertätigkeiten</checkboxes-label>
         <div class="grid gap-2 sm:grid-cols-2 md:grid-cols-4">
             <f-switch
@@ -17,7 +20,7 @@
         </div>
         <save-button form="actionform"></save-button>
 
-        <new-subactivity @stored="reloadSubactivities" :activity-id="inner.id"></new-subactivity>
+        <new-subactivity v-if="mode === 'edit'" @stored="reloadSubactivities" :activity-id="inner.id"></new-subactivity>
     </form>
 </template>
 
diff --git a/tests/Feature/Activity/CreateTest.php b/tests/Feature/Activity/CreateTest.php
index 328b4775..6589959b 100644
--- a/tests/Feature/Activity/CreateTest.php
+++ b/tests/Feature/Activity/CreateTest.php
@@ -19,6 +19,7 @@ class CreateTest extends TestCase
 
         $this->assertInertiaHas([
             'name' => '',
+            'is_filterable' => false,
             'subactivities' => [],
         ], $response, 'data');
         $this->assertInertiaHas([
@@ -26,5 +27,4 @@ class CreateTest extends TestCase
             'name' => 'Pupu',
         ], $response, 'meta.subactivities.0');
     }
-
 }
diff --git a/tests/Feature/Activity/EditTest.php b/tests/Feature/Activity/EditTest.php
index bae0342c..abcfbfb3 100644
--- a/tests/Feature/Activity/EditTest.php
+++ b/tests/Feature/Activity/EditTest.php
@@ -16,10 +16,11 @@ class EditTest extends TestCase
         $this->login()->loginNami()->withoutExceptionHandling();
         $activity = Activity::factory()->name('Asas')->hasAttached(Subactivity::factory()->name('Pupu'))->create();
 
-        $response = $this->get(route('activity.edit', ['activity' =>  $activity]));
+        $response = $this->get(route('activity.edit', ['activity' => $activity]));
 
         $this->assertInertiaHas([
             'name' => 'Asas',
+            'is_filterable' => false,
             'subactivities' => [$activity->subactivities->first()->id],
         ], $response, 'data');
         $this->assertInertiaHas([
@@ -27,5 +28,4 @@ class EditTest extends TestCase
             'name' => 'Pupu',
         ], $response, 'meta.subactivities.0');
     }
-
 }
diff --git a/tests/Feature/Activity/UpdateTest.php b/tests/Feature/Activity/UpdateTest.php
index 68934b18..75eba9be 100644
--- a/tests/Feature/Activity/UpdateTest.php
+++ b/tests/Feature/Activity/UpdateTest.php
@@ -18,6 +18,7 @@ class UpdateTest extends TestCase
 
         $response = $this->patch(route('activity.update', ['activity' => $activity]), [
             'name' => 'Lorem',
+            'is_filterable' => false,
             'subactivities' => [],
         ]);
 
@@ -32,6 +33,7 @@ class UpdateTest extends TestCase
 
         $this->patch(route('activity.update', ['activity' => $activity]), [
             'name' => 'abc',
+            'is_filterable' => false,
             'subactivities' => [$subactivity->id],
         ]);
 
@@ -45,6 +47,7 @@ class UpdateTest extends TestCase
 
         $response = $this->patch(route('activity.update', ['activity' => $activity]), [
             'name' => 'abc',
+            'is_filterable' => false,
             'subactivities' => [],
         ]);
 
@@ -59,6 +62,7 @@ class UpdateTest extends TestCase
 
         $response = $this->patch(route('activity.update', ['activity' => $activity]), [
             'name' => 'abc',
+            'is_filterable' => false,
             'subactivities' => [$subactivity->id],
         ]);
 
@@ -73,6 +77,7 @@ class UpdateTest extends TestCase
 
         $response = $this->patch(route('activity.update', ['activity' => $activity]), [
             'name' => 'abc',
+            'is_filterable' => false,
             'subactivities' => [$otherSubactivity->id],
         ]);
 
@@ -86,6 +91,7 @@ class UpdateTest extends TestCase
 
         $response = $this->patch(route('activity.update', ['activity' => $activity]), [
             'name' => '',
+            'is_filterable' => true,
         ]);
 
         $response->assertSessionHasErrors(['name' => 'Name ist erforderlich.']);
@@ -99,11 +105,12 @@ class UpdateTest extends TestCase
 
         $response = $this->patch(route('activity.update', ['activity' => $activity]), [
             'name' => 'Lorem',
+            'is_filterable' => true,
             'subactivities' => [],
         ]);
 
         $response->assertRedirect('/activity');
-        $this->assertDatabaseHas('activities', ['name' => 'Lorem']);
+        $this->assertDatabaseHas('activities', ['name' => 'Lorem', 'is_filterable' => true]);
     }
 
     public function testItSetsSubactivities(): void
@@ -114,6 +121,7 @@ class UpdateTest extends TestCase
 
         $this->patch(route('activity.update', ['activity' => $activity]), [
             'name' => 'Lorem',
+            'is_filterable' => false,
             'subactivities' => [$subactivity->id],
         ]);
 
@@ -128,6 +136,7 @@ class UpdateTest extends TestCase
         $this->patch(route('activity.update', ['activity' => $activity]), [
             'name' => 'Lorem',
             'nami_id' => 66,
+            'is_filterable' => false,
             'subactivities' => [],
         ]);
 
@@ -143,10 +152,10 @@ class UpdateTest extends TestCase
 
         $this->patch(route('activity.update', ['activity' => $activity]), [
             'name' => 'Lorem',
+            'is_filterable' => false,
             'subactivities' => [],
         ]);
 
         $this->assertDatabaseEmpty('activity_subactivity');
     }
-
 }