diff --git a/passbook/admin/tests.py b/passbook/admin/tests.py
new file mode 100644
index 000000000..efc8ee6b3
--- /dev/null
+++ b/passbook/admin/tests.py
@@ -0,0 +1,37 @@
+"""admin tests"""
+from typing import Callable
+
+from django.shortcuts import reverse
+from django.test import Client, TestCase
+from django.urls.exceptions import NoReverseMatch
+
+from passbook.admin.urls import urlpatterns
+from passbook.core.models import User
+
+
+class TestAdmin(TestCase):
+    """Generic admin tests"""
+
+    def setUp(self):
+        self.user = User.objects.create_superuser(username="test")
+        self.client = Client()
+        self.client.force_login(self.user)
+
+
+def generic_view_tester(view_name: str) -> Callable:
+    """This is used instead of subTest for better visibility"""
+
+    def tester(self: TestAdmin):
+        try:
+            full_url = reverse(f"passbook_admin:{view_name}")
+            response = self.client.get(full_url)
+            self.assertTrue(response.status_code < 500)
+        except NoReverseMatch:
+            pass
+
+    return tester
+
+
+for url in urlpatterns:
+    method_name = url.name.replace("-", "_")
+    setattr(TestAdmin, f"test_{method_name}", generic_view_tester(url.name))
diff --git a/passbook/admin/views/policies.py b/passbook/admin/views/policies.py
index f1a835b06..4c1a441c2 100644
--- a/passbook/admin/views/policies.py
+++ b/passbook/admin/views/policies.py
@@ -62,9 +62,10 @@ class PolicyCreateView(
 
     def get_form_class(self):
         policy_type = self.request.GET.get("type")
-        model = next(x for x in all_subclasses(Policy) if x.__name__ == policy_type)
-        if not model:
-            raise Http404
+        try:
+            model = next(x for x in all_subclasses(Policy) if x.__name__ == policy_type)
+        except StopIteration as exc:
+            raise Http404 from exc
         return path_to_class(model.form)
 
 
diff --git a/passbook/admin/views/property_mapping.py b/passbook/admin/views/property_mapping.py
index 426e06dd4..1de9bfe04 100644
--- a/passbook/admin/views/property_mapping.py
+++ b/passbook/admin/views/property_mapping.py
@@ -53,11 +53,14 @@ class PropertyMappingCreateView(
     def get_context_data(self, **kwargs):
         kwargs = super().get_context_data(**kwargs)
         property_mapping_type = self.request.GET.get("type")
-        model = next(
-            x
-            for x in all_subclasses(PropertyMapping)
-            if x.__name__ == property_mapping_type
-        )
+        try:
+            model = next(
+                x
+                for x in all_subclasses(PropertyMapping)
+                if x.__name__ == property_mapping_type
+            )
+        except StopIteration as exc:
+            raise Http404 from exc
         kwargs["type"] = model._meta.verbose_name
         form_cls = self.get_form_class()
         if hasattr(form_cls, "template_name"):
@@ -66,13 +69,14 @@ class PropertyMappingCreateView(
 
     def get_form_class(self):
         property_mapping_type = self.request.GET.get("type")
-        model = next(
-            x
-            for x in all_subclasses(PropertyMapping)
-            if x.__name__ == property_mapping_type
-        )
-        if not model:
-            raise Http404
+        try:
+            model = next(
+                x
+                for x in all_subclasses(PropertyMapping)
+                if x.__name__ == property_mapping_type
+            )
+        except StopIteration as exc:
+            raise Http404 from exc
         return path_to_class(model.form)
 
 
diff --git a/passbook/admin/views/providers.py b/passbook/admin/views/providers.py
index f0a1d5892..ff1c96ebe 100644
--- a/passbook/admin/views/providers.py
+++ b/passbook/admin/views/providers.py
@@ -52,9 +52,12 @@ class ProviderCreateView(
 
     def get_form_class(self):
         provider_type = self.request.GET.get("type")
-        model = next(x for x in all_subclasses(Provider) if x.__name__ == provider_type)
-        if not model:
-            raise Http404
+        try:
+            model = next(
+                x for x in all_subclasses(Provider) if x.__name__ == provider_type
+            )
+        except StopIteration as exc:
+            raise Http404 from exc
         return path_to_class(model.form)
 
 
diff --git a/passbook/admin/views/sources.py b/passbook/admin/views/sources.py
index b5d46af2f..2c979c043 100644
--- a/passbook/admin/views/sources.py
+++ b/passbook/admin/views/sources.py
@@ -52,9 +52,10 @@ class SourceCreateView(
 
     def get_form_class(self):
         source_type = self.request.GET.get("type")
-        model = next(x for x in all_subclasses(Source) if x.__name__ == source_type)
-        if not model:
-            raise Http404
+        try:
+            model = next(x for x in all_subclasses(Source) if x.__name__ == source_type)
+        except StopIteration as exc:
+            raise Http404 from exc
         return path_to_class(model.form)
 
 
diff --git a/passbook/admin/views/stages.py b/passbook/admin/views/stages.py
index c2c86d2be..311923210 100644
--- a/passbook/admin/views/stages.py
+++ b/passbook/admin/views/stages.py
@@ -59,9 +59,10 @@ class StageCreateView(
 
     def get_form_class(self):
         stage_type = self.request.GET.get("type")
-        model = next(x for x in all_subclasses(Stage) if x.__name__ == stage_type)
-        if not model:
-            raise Http404
+        try:
+            model = next(x for x in all_subclasses(Stage) if x.__name__ == stage_type)
+        except StopIteration as exc:
+            raise Http404 from exc
         return path_to_class(model.form)
 
 
diff --git a/scripts/pre-commit.sh b/scripts/pre-commit.sh
index 2960f8976..1cf64708d 100755
--- a/scripts/pre-commit.sh
+++ b/scripts/pre-commit.sh
@@ -2,8 +2,8 @@
 isort -rc passbook
 pyright
 black passbook
+./manage.py generate_swagger -o swagger.yaml -f yaml
 scripts/coverage.sh
 bandit -r passbook
 pylint passbook
 prospector
-./manage.py generate_swagger -o swagger.yaml -f yaml