diff --git a/mobile/lib/services/remote/collection_files.dart b/mobile/lib/services/remote/collection_files.dart
index c638066b48..ecee71a482 100644
--- a/mobile/lib/services/remote/collection_files.dart
+++ b/mobile/lib/services/remote/collection_files.dart
@@ -109,7 +109,7 @@ class CollectionFilesService {
         final utfEncodedMmd = CryptoUtil.decryptChaChaSync(
           CryptoUtil.base642bin(item['magicMetadata']['data']),
           fileKey,
-          CryptoUtil.base642bin(item['magicMetadata']['decryptionHeader']),
+          CryptoUtil.base642bin(item['magicMetadata']['header']),
         );
         privateMagicMetadata = Metadata(
           data: jsonDecode(utf8.decode(utfEncodedMmd)),