diff --git a/lib/index.js b/lib/index.js
index e6b14af..90f6b55 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -729,7 +729,12 @@ function initDB(peer, config) {
         return cb(new Error('account.add() failed because opts.powers is not an array'))
       }
       for (const power of opts.powers) {
-        if (power !== 'add' && power !== 'del' && power !== 'box') {
+        if (
+          power !== 'add' &&
+          power !== 'del' &&
+          power !== 'external-encryption' &&
+          power !== 'internal-encryption'
+        ) {
           // prettier-ignore
           return cb(new Error(`account.add() failed because opts.powers contains an unknown power "${power}"`))
         }