diff --git a/cmd/frostfs-adm/internal/modules/morph/generate/generate.go b/cmd/frostfs-adm/internal/modules/morph/generate/generate.go
index 8ecc9f1b6..c7de599e5 100644
--- a/cmd/frostfs-adm/internal/modules/morph/generate/generate.go
+++ b/cmd/frostfs-adm/internal/modules/morph/generate/generate.go
@@ -65,34 +65,42 @@ func initializeWallets(v *viper.Viper, walletDir string, size int) ([]string, er
 	pubs := make(keys.PublicKeys, size)
 	passwords := make([]string, size)
 
+	var errG errgroup.Group
+
 	for i := range wallets {
 		password, err := config.GetPassword(v, innerring.GlagoliticLetter(i).String())
 		if err != nil {
 			return nil, fmt.Errorf("can't fetch password: %w", err)
 		}
 
-		p := filepath.Join(walletDir, innerring.GlagoliticLetter(i).String()+".json")
-		f, err := os.OpenFile(p, os.O_CREATE, 0o644)
-		if err != nil {
-			return nil, fmt.Errorf("can't create wallet file: %w", err)
-		}
-		if err := f.Close(); err != nil {
-			return nil, fmt.Errorf("can't close wallet file: %w", err)
-		}
-		w, err := wallet.NewWallet(p)
-		if err != nil {
-			return nil, fmt.Errorf("can't create wallet: %w", err)
-		}
-		if err := w.CreateAccount(constants.SingleAccountName, password); err != nil {
-			return nil, fmt.Errorf("can't create account: %w", err)
-		}
+		i := i
+		errG.Go(func() error {
+			p := filepath.Join(walletDir, innerring.GlagoliticLetter(i).String()+".json")
+			f, err := os.OpenFile(p, os.O_CREATE, 0o644)
+			if err != nil {
+				return fmt.Errorf("can't create wallet file: %w", err)
+			}
+			if err := f.Close(); err != nil {
+				return fmt.Errorf("can't close wallet file: %w", err)
+			}
+			w, err := wallet.NewWallet(p)
+			if err != nil {
+				return fmt.Errorf("can't create wallet: %w", err)
+			}
+			if err := w.CreateAccount(constants.SingleAccountName, password); err != nil {
+				return fmt.Errorf("can't create account: %w", err)
+			}
 
-		passwords[i] = password
-		wallets[i] = w
-		pubs[i] = w.Accounts[0].PrivateKey().PublicKey()
+			passwords[i] = password
+			wallets[i] = w
+			pubs[i] = w.Accounts[0].PrivateKey().PublicKey()
+			return nil
+		})
 	}
 
-	var errG errgroup.Group
+	if err := errG.Wait(); err != nil {
+		return nil, err
+	}
 
 	// Create committee account with N/2+1 multi-signature.
 	majCount := smartcontract.GetMajorityHonestNodeCount(size)
diff --git a/cmd/frostfs-adm/internal/modules/morph/generate/generate_test.go b/cmd/frostfs-adm/internal/modules/morph/generate/generate_test.go
index d4a4fee5d..1dd6420eb 100644
--- a/cmd/frostfs-adm/internal/modules/morph/generate/generate_test.go
+++ b/cmd/frostfs-adm/internal/modules/morph/generate/generate_test.go
@@ -23,8 +23,6 @@ import (
 )
 
 func TestGenerateAlphabet(t *testing.T) {
-	const size = 4
-
 	walletDir := t.TempDir()
 	buf := setupTestTerminal(t)
 
@@ -55,13 +53,13 @@ func TestGenerateAlphabet(t *testing.T) {
 	t.Run("no password for contract group wallet", func(t *testing.T) {
 		buf.Reset()
 		v.Set(commonflags.AlphabetWalletsFlag, walletDir)
-		require.NoError(t, cmd.Flags().Set(commonflags.AlphabetSizeFlag, strconv.FormatUint(size, 10)))
-		for i := uint64(0); i < size; i++ {
-			buf.WriteString(strconv.FormatUint(i, 10) + "\r")
-		}
+		require.NoError(t, cmd.Flags().Set(commonflags.AlphabetSizeFlag, "1"))
+		buf.WriteString("pass\r")
 		require.Error(t, AlphabetCreds(cmd, nil))
 	})
 
+	const size = 4
+
 	buf.Reset()
 	v.Set(commonflags.AlphabetWalletsFlag, walletDir)
 	require.NoError(t, GenerateAlphabetCmd.Flags().Set(commonflags.AlphabetSizeFlag, strconv.FormatUint(size, 10)))