diff --git a/authentik/stages/authenticator_duo/api.py b/authentik/stages/authenticator_duo/api.py
index 4f93dee39..423679773 100644
--- a/authentik/stages/authenticator_duo/api.py
+++ b/authentik/stages/authenticator_duo/api.py
@@ -118,12 +118,12 @@ class AuthenticatorDuoStageViewSet(UsedByMixin, ModelViewSet):
             .first()
         )
         if not user:
-            return Response(data={"non_field_errors": ["user does not exist"]}, status=400)
+            return Response(data={"non_field_errors": ["User does not exist."]}, status=400)
         device = DuoDevice.objects.filter(
             duo_user_id=request.data.get("duo_user_id"), user=user, stage=stage
         ).first()
         if device:
-            return Response(data={"non_field_errors": ["device exists already"]}, status=400)
+            return Response(data={"non_field_errors": ["Device exists already."]}, status=400)
         DuoDevice.objects.create(
             duo_user_id=request.data.get("duo_user_id"),
             user=user,
diff --git a/web/src/admin/stages/authenticator_duo/DuoDeviceImportForm.ts b/web/src/admin/stages/authenticator_duo/DuoDeviceImportForm.ts
index 8f24116e4..1e44865d6 100644
--- a/web/src/admin/stages/authenticator_duo/DuoDeviceImportForm.ts
+++ b/web/src/admin/stages/authenticator_duo/DuoDeviceImportForm.ts
@@ -16,9 +16,9 @@ import { until } from "lit/directives/until.js";
 
 import {
     AuthenticatorDuoStage,
+    AuthenticatorDuoStageManualDeviceImportRequest,
     CoreApi,
     StagesApi,
-    StagesAuthenticatorDuoImportDeviceManualCreateRequest,
 } from "@goauthentik/api";
 
 @customElement("ak-stage-authenticator-duo-device-import-form")
@@ -34,11 +34,11 @@ export class DuoDeviceImportForm extends ModelForm<AuthenticatorDuoStage, string
     }
 
     send = (data: AuthenticatorDuoStage): Promise<void> => {
-        const importData = data as unknown as StagesAuthenticatorDuoImportDeviceManualCreateRequest;
-        importData.stageUuid = this.instancePk;
-        return new StagesApi(DEFAULT_CONFIG).stagesAuthenticatorDuoImportDeviceManualCreate(
-            importData,
-        );
+        const importData = data as unknown as AuthenticatorDuoStageManualDeviceImportRequest;
+        return new StagesApi(DEFAULT_CONFIG).stagesAuthenticatorDuoImportDeviceManualCreate({
+            stageUuid: this.instance?.pk || "",
+            authenticatorDuoStageManualDeviceImportRequest: importData,
+        });
     };
 
     renderForm(): TemplateResult {