diff --git a/authentik/rbac/api/rbac.py b/authentik/rbac/api/rbac.py
index 3f468f483..2ce5b8d33 100644
--- a/authentik/rbac/api/rbac.py
+++ b/authentik/rbac/api/rbac.py
@@ -32,13 +32,19 @@ class PermissionSerializer(ModelSerializer):
 
     def get_app_label_verbose(self, instance: Permission) -> str:
         """Human-readable app label"""
-        return apps.get_app_config(instance.content_type.app_label).verbose_name
+        try:
+            return apps.get_app_config(instance.content_type.app_label).verbose_name
+        except LookupError:
+            return f"{instance.content_type.app_label}.{instance.content_type.model}"
 
     def get_model_verbose(self, instance: Permission) -> str:
         """Human-readable model name"""
-        return apps.get_model(
-            instance.content_type.app_label, instance.content_type.model
-        )._meta.verbose_name
+        try:
+            return apps.get_model(
+                instance.content_type.app_label, instance.content_type.model
+            )._meta.verbose_name
+        except LookupError:
+            return f"{instance.content_type.app_label}.{instance.content_type.model}"
 
     class Meta:
         model = Permission
diff --git a/authentik/rbac/api/rbac_roles.py b/authentik/rbac/api/rbac_roles.py
index 162a3225b..1c48169a2 100644
--- a/authentik/rbac/api/rbac_roles.py
+++ b/authentik/rbac/api/rbac_roles.py
@@ -28,9 +28,12 @@ class ExtraRoleObjectPermissionSerializer(RoleObjectPermissionSerializer):
 
     def get_model_verbose(self, instance: GroupObjectPermission) -> str:
         """Get model label from permission's model"""
-        return apps.get_model(
-            instance.content_type.app_label, instance.content_type.model
-        )._meta.verbose_name
+        try:
+            return apps.get_model(
+                instance.content_type.app_label, instance.content_type.model
+            )._meta.verbose_name
+        except LookupError:
+            return f"{instance.content_type.app_label}.{instance.content_type.model}"
 
     def get_object_description(self, instance: GroupObjectPermission) -> Optional[str]:
         """Get model description from attached model. This operation takes at least
@@ -38,7 +41,10 @@ class ExtraRoleObjectPermissionSerializer(RoleObjectPermissionSerializer):
         view_ permission on the object"""
         app_label = instance.content_type.app_label
         model = instance.content_type.model
-        model_class = apps.get_model(app_label, model)
+        try:
+            model_class = apps.get_model(app_label, model)
+        except LookupError:
+            return None
         objects = get_objects_for_group(instance.group, f"{app_label}.view_{model}", model_class)
         obj = objects.first()
         if not obj:
diff --git a/authentik/rbac/api/rbac_users.py b/authentik/rbac/api/rbac_users.py
index 04f3fcabd..636b327f3 100644
--- a/authentik/rbac/api/rbac_users.py
+++ b/authentik/rbac/api/rbac_users.py
@@ -28,9 +28,12 @@ class ExtraUserObjectPermissionSerializer(UserObjectPermissionSerializer):
 
     def get_model_verbose(self, instance: UserObjectPermission) -> str:
         """Get model label from permission's model"""
-        return apps.get_model(
-            instance.content_type.app_label, instance.content_type.model
-        )._meta.verbose_name
+        try:
+            return apps.get_model(
+                instance.content_type.app_label, instance.content_type.model
+            )._meta.verbose_name
+        except LookupError:
+            return f"{instance.content_type.app_label}.{instance.content_type.model}"
 
     def get_object_description(self, instance: UserObjectPermission) -> Optional[str]:
         """Get model description from attached model. This operation takes at least
@@ -38,7 +41,10 @@ class ExtraUserObjectPermissionSerializer(UserObjectPermissionSerializer):
         view_ permission on the object"""
         app_label = instance.content_type.app_label
         model = instance.content_type.model
-        model_class = apps.get_model(app_label, model)
+        try:
+            model_class = apps.get_model(app_label, model)
+        except LookupError:
+            return None
         objects = get_objects_for_user(instance.user, f"{app_label}.view_{model}", model_class)
         obj = objects.first()
         if not obj: