diff --git a/frontend/src/fileReceiver.js b/frontend/src/fileReceiver.js
index ad1611df..882dcb2b 100644
--- a/frontend/src/fileReceiver.js
+++ b/frontend/src/fileReceiver.js
@@ -67,7 +67,8 @@ class FileReceiver extends EventEmitter {
               {
                 name: 'AES-GCM',
                 iv: hexToArray(fdata.iv),
-                additionalData: hexToArray(fdata.aad)
+                additionalData: hexToArray(fdata.aad),
+                tagLength: 128
               },
               key,
               fdata.data