diff --git a/multiwallet.go b/multiwallet.go
index 30b3f5a9..8e55c9ff 100644
--- a/multiwallet.go
+++ b/multiwallet.go
@@ -45,7 +45,7 @@ func NewMultiWallet(rootDir, dbDriver, netType string) (*MultiWallet, error) {
 	}
 
 	rootDir = filepath.Join(rootDir, netType)
-	err = os.MkdirAll(rootDir, 0700)
+	err = os.MkdirAll(rootDir, os.ModePerm)
 	if err != nil {
 		return nil, errors.Errorf("failed to create rootDir: %v", err)
 	}
diff --git a/utils/netparams.go b/utils/netparams.go
index 588bf840..1f173ce0 100644
--- a/utils/netparams.go
+++ b/utils/netparams.go
@@ -19,6 +19,6 @@ func ChainParams(netType string) (*chaincfg.Params, error) {
 	case strings.ToLower(testnetParams.Name):
 		return testnetParams, nil
 	default:
-		return nil, errors.New("net type must be either mainnet or testnet3")
+		return nil, errors.New("invalid net type")
 	}
 }