diff --git a/server/src/services/asset.service.spec.ts b/server/src/services/asset.service.spec.ts
index c4719b5771..e58c868c5e 100755
--- a/server/src/services/asset.service.spec.ts
+++ b/server/src/services/asset.service.spec.ts
@@ -226,7 +226,7 @@ describe(AssetService.name, () => {
       await sut.update(authStub.admin, 'asset-1', { description: 'Test description' });
 
       expect(mocks.asset.upsertExif).toHaveBeenCalledWith(
-        { assetId: 'asset-1', description: 'Test description', lockedProperties: ['description'] },
+        { assetId: 'asset-1', description: 'Test description' },
         { lockedPropertiesBehavior: 'update' },
       );
     });
@@ -242,7 +242,6 @@ describe(AssetService.name, () => {
         {
           assetId: 'asset-1',
           rating: 3,
-          lockedProperties: ['rating'],
         },
         { lockedPropertiesBehavior: 'update' },
       );
diff --git a/server/src/services/metadata.service.ts b/server/src/services/metadata.service.ts
index b442e2b79e..591f76a0cf 100644
--- a/server/src/services/metadata.service.ts
+++ b/server/src/services/metadata.service.ts
@@ -420,7 +420,7 @@ export class MetadataService extends BaseService {
       <Tags>{
         Description: description,
         ImageDescription: description,
-        DateTimeOriginal: dateTimeOriginal?.toISOString(),
+        DateTimeOriginal: dateTimeOriginal == null ? undefined : String(dateTimeOriginal),
         GPSLatitude: latitude,
         GPSLongitude: longitude,
         Rating: rating,