diff --git a/lib/glueby/wallet.rb b/lib/glueby/wallet.rb
index fc8f0af..6ff72a2 100644
--- a/lib/glueby/wallet.rb
+++ b/lib/glueby/wallet.rb
@@ -5,8 +5,8 @@ class Wallet
     attr_reader :internal_wallet
 
     class << self
-      def create
-        new(Glueby::Internal::Wallet.create)
+      def create(wallet_id = nil)
+        new(Glueby::Internal::Wallet.create(wallet_id))
       end
 
       def load(wallet_id)
diff --git a/spec/glueby/wallet_spec.rb b/spec/glueby/wallet_spec.rb
index d9578f9..0edcc4d 100644
--- a/spec/glueby/wallet_spec.rb
+++ b/spec/glueby/wallet_spec.rb
@@ -3,7 +3,7 @@
 RSpec.describe 'Glueby::Wallet' do
   class TestWalletAdapter < Glueby::Internal::Wallet::AbstractWalletAdapter
     def create_wallet(wallet_id = nil)
-      "wallet_id:1"
+      wallet_id ? wallet_id : "wallet_id:1"
     end
     def list_unspent(wallet_id, only_finalized = true, label = nil, color_id: nil)
       utxos = [
@@ -112,6 +112,23 @@ def token_utxos(wallet_id, color_id, only_finalized, per, page)
     end
   end
 
+  describe '#create' do
+    subject { Glueby::Wallet.create }
+
+    it 'returns Glueby::Wallet instance' do
+      expect(subject).to be_a Glueby::Wallet
+    end
+
+    context 'with wallet_id' do
+      let(:wallet_id) { 'wallet_id' }
+      subject { Glueby::Wallet.create(wallet_id) }
+
+      it 'created wallet has specified wallet_id' do
+        expect(subject.id).to eq(wallet_id)
+      end
+    end
+  end
+
   describe '#balances' do
     subject { wallet.balances(only_finalized) }