diff --git a/src/action/wallet.js b/src/action/wallet.js
index bbf25b767..3754ba45a 100644
--- a/src/action/wallet.js
+++ b/src/action/wallet.js
@@ -37,8 +37,8 @@ class WalletAction {
    * @param {string} options.word  The seed word
    * @param {number} options.index The seed index
    */
-  setSeedVerify({ word, index }) {
-    this._store.wallet.seedVerify[index] = word;
+  setSeedVerify({ word = '', index }) {
+    this._store.wallet.seedVerify[index] = word.toLowerCase();
   }
 
   //
diff --git a/test/unit/action/wallet.spec.js b/test/unit/action/wallet.spec.js
index 673606e56..6520ecfdf 100644
--- a/test/unit/action/wallet.spec.js
+++ b/test/unit/action/wallet.spec.js
@@ -47,10 +47,15 @@ describe('Action Wallet Unit Tests', () => {
   });
 
   describe('setSeedVerify()', () => {
-    it('should clear attributes', () => {
+    it('should set seed word', () => {
       wallet.setSeedVerify({ word: 'foo', index: 1 });
       expect(store.wallet.seedVerify[1], 'to equal', 'foo');
     });
+
+    it('should make seed word lowercase', () => {
+      wallet.setSeedVerify({ word: 'FOO', index: 1 });
+      expect(store.wallet.seedVerify[1], 'to equal', 'foo');
+    });
   });
 
   describe('initSetPassword()', () => {