diff --git a/input/tests/views.py b/input/tests/views.py
index dc19d14..d6b9007 100644
--- a/input/tests/views.py
+++ b/input/tests/views.py
@@ -4,11 +4,13 @@ from django.forms import model_to_dict
 from django.shortcuts import resolve_url
 from django.test import TestCase
 
-from input.models import Library, TYPE_PROJ
+from foerderbarometer.constants import *
+from input.models import Library, ProjectCategory, WikimediaProject
 from input.utils.testing import create_superuser, login, request
-from input.views import TYPES, ApplicationView
+from input.views import PROJECT_FUNDING, TYPES, ApplicationView
 
 PATHS = {TYPES[path].code: path for path in TYPES}
+PATHS[TYPE_PROJ] = PROJECT_FUNDING[0].path
 CODES = list(PATHS)
 
 
@@ -63,15 +65,15 @@ class AnonymousViewTestCase(TestCase):
 
     def test_extern_types(self):
         types = [
-            ('BIB', 'Bibliotheksausweis'),
-            ('ELIT', 'Online-Ressource'),
-            ('MAIL', 'Mailadresse beantragen'),
-            ('IFG', 'gewonnenen Informationen'),
-            ('LIT', 'Literatur verwenden'),
-            ('LIST', 'Mailingliste beantragen'),
-            ('TRAV', 'Transportmittel'),
-            ('SOFT', 'Lizenz'),
-            ('VIS', 'DIN 5008'),
+            (TYPE_BIB, 'Bibliotheksausweis'),
+            (TYPE_ELIT, 'Online-Ressource'),
+            (TYPE_MAIL, 'Mailadresse beantragen'),
+            (TYPE_IFG, 'gewonnenen Informationen'),
+            (TYPE_LIT, 'Literatur verwenden'),
+            (TYPE_LIST, 'Mailingliste beantragen'),
+            (TYPE_TRAV, 'Transportmittel'),
+            (TYPE_SOFT, 'Lizenz'),
+            (TYPE_VIS, 'DIN 5008'),
             (TYPE_PROJ, 'Projektförderung'),
         ]
 
@@ -83,7 +85,7 @@ class AnonymousViewTestCase(TestCase):
                 self.assertContains(response, text)
 
     def test_extern_travel(self):
-        self.helper_extern('TRAV', 'Transportmittel', {
+        self.helper_extern(TYPE_TRAV, 'Transportmittel', {
             'project_name': 'Test',
             'transport': 'BAHN',
             'travelcost': 10,
@@ -94,7 +96,7 @@ class AnonymousViewTestCase(TestCase):
         })
 
     def test_extern_lit(self):
-        self.helper_extern('LIT', 'Literatur verwenden', {
+        self.helper_extern(TYPE_LIT, 'Literatur verwenden', {
             'cost': 20,
             'info': 'Test',
             'source': 'Test',
@@ -107,7 +109,7 @@ class AnonymousViewTestCase(TestCase):
         })
 
     def test_extern_lit_without_consent_fails(self):
-        response = self.helper_extern_base('LIT', 'Literatur verwenden', {
+        response = self.helper_extern_base(TYPE_LIT, 'Literatur verwenden', {
             'cost': 20,
             'info': 'Test',
             'source': 'Test',
@@ -128,6 +130,23 @@ class AnonymousViewTestCase(TestCase):
             'notes': '',
         })
 
+    def test_extern_proj(self):
+        category = ProjectCategory.objects.order_by('?').first()
+        wikimedia_project = WikimediaProject.objects.order_by('?').first()
+
+        self.helper_extern(TYPE_PROJ, 'Projektförderung', {
+            'name': 'Test',
+            'description': 'Test',
+            'categories': [category.id, 0],
+            'categories_other': 'Test',
+            'wikimedia_projects': [wikimedia_project.id, 0],
+            'wikimedia_projects_other': 'Test',
+            'start': '2025-01-01',
+            'end': '2025-01-02',
+            'participants_estimated': 1,
+            'cost': 20,
+        })
+
     def test_extern_invalid_code(self):
         request(self, 'extern', args=['invalid'], status_code=404)
 
diff --git a/input/views.py b/input/views.py
index 1472fd0..8d4082e 100755
--- a/input/views.py
+++ b/input/views.py
@@ -5,7 +5,7 @@ from smtplib import SMTPException
 from typing import Optional
 from urllib.parse import urljoin
 
-from django.forms import ChoiceField, BoundField, Field
+from django.forms import ChoiceField, Field
 from django.shortcuts import render, redirect
 from django.http import HttpResponse, Http404
 from django.urls import reverse
@@ -14,6 +14,7 @@ from django.utils.formats import date_format
 from django.utils.functional import cached_property
 from django.utils.http import url_has_allowed_host_and_scheme
 from django.utils.safestring import mark_safe
+from django.utils.text import get_text_list
 from django.core.mail import BadHeaderError
 from django.conf import settings
 from django.contrib.auth.decorators import login_required
@@ -52,6 +53,7 @@ from .models import (
     TYPE_TRAV,
     TYPE_VIS,
     Project,
+    ProductCategoryFormField,
 )
 
 HELP_TEXTS = {
@@ -341,7 +343,9 @@ class ApplicationView(FormView):
 
     @staticmethod
     def format_value(field: Field, value):
-        if isinstance(field, ChoiceField):
+        if isinstance(field, ProductCategoryFormField):
+            value = get_text_list(value, 'und')
+        elif isinstance(field, ChoiceField):
             choices = flatten_choices(field.choices)
             value = dict(choices).get(value, value)
         elif isinstance(value, bool):