diff --git a/packages/extension-base/src/background/handlers/Extension.ts b/packages/extension-base/src/background/handlers/Extension.ts
index c2adca2..c415e12 100644
--- a/packages/extension-base/src/background/handlers/Extension.ts
+++ b/packages/extension-base/src/background/handlers/Extension.ts
@@ -325,8 +325,7 @@ export default class Extension {
   }
 
   private seedCreate ({ length = SEED_DEFAULT_LENGTH, seed: _seed, type }: RequestSeedCreate): ResponseSeedCreate {
-    // Use onlyJs=true because wasm-crypto doesn't implement bip39Generate
-    const seed = _seed || mnemonicGenerate(length, undefined, true);
+    const seed = _seed || mnemonicGenerate(length);
 
     return {
       address: keyring.createFromUri(getSuri(seed, type), {}, type).address,