diff --git a/app/ece.js b/app/ece.js
index f46c9f61..3622dbd7 100644
--- a/app/ece.js
+++ b/app/ece.js
@@ -48,7 +48,7 @@ class ECETransformer {
         name: 'AES-GCM',
         length: 128
       },
-      false,
+      true, // Edge polyfill requires key to be extractable to encrypt :/
       ['encrypt', 'decrypt']
     );
   }