diff --git a/apis/fluentd/v1alpha1/plugins/common/common_types.go b/apis/fluentd/v1alpha1/plugins/common/common_types.go
index 23dedd731..21d773625 100644
--- a/apis/fluentd/v1alpha1/plugins/common/common_types.go
+++ b/apis/fluentd/v1alpha1/plugins/common/common_types.go
@@ -344,10 +344,10 @@ func (t *Transport) Params(_ plugins.SecretLoader) (*params.PluginStore, error)
 		ps.InsertPairs("private_key_passphrase", fmt.Sprint(*t.PrivateKeyPassphrase))
 	}
 	if t.ClientCertAuth != nil {
-		ps.InsertPairs("client_certAuth", fmt.Sprint(*t.ClientCertAuth))
+		ps.InsertPairs("client_cert_auth", fmt.Sprint(*t.ClientCertAuth))
 	}
 	if t.CaCertPath != nil {
-		ps.InsertPairs("ca_certPath", fmt.Sprint(*t.CaCertPath))
+		ps.InsertPairs("ca_cert_path", fmt.Sprint(*t.CaCertPath))
 	}
 	if t.CaPrivateKeyPath != nil {
 		ps.InsertPairs("ca_private_key_path", fmt.Sprint(*t.CaPrivateKeyPath))