diff --git a/pkg/collector/tcp.go b/pkg/collector/tcp.go
index 66cafd36..cf37e153 100644
--- a/pkg/collector/tcp.go
+++ b/pkg/collector/tcp.go
@@ -41,7 +41,7 @@ func (cp *collectingProcess) StartTCPServer() {
 	}
 }
 
-func (cp *collectingProcess) StartTLSServer(serverCert []byte, serverKey []byte) {
+func (cp *collectingProcess) StartTLSServer(serverCert, serverKey []byte) {
 	cer, err := tls.X509KeyPair(serverCert, serverKey)
 	if err != nil {
 		klog.Error(err)