diff --git a/apps/mobile/src/utils/storage.js b/apps/mobile/src/utils/storage.js
index f585f3085..0c485b887 100644
--- a/apps/mobile/src/utils/storage.js
+++ b/apps/mobile/src/utils/storage.js
@@ -23,7 +23,7 @@ function encrypt(password, data) {
   return Aes.pbkdf2('password', 'salt', 5000, 256).then(aes => {
     key = aes;
 
-    return Aes.randomKey(32).then(iv => {
+    return Aes.randomKey(16).then(iv => {
       return Aes.encrypt(data, key, iv).then(cipher => ({
         cipher,
         iv,