diff --git a/example/coap_server.dart b/example/coap_server.dart
index 9307b9ab..69835a6f 100644
--- a/example/coap_server.dart
+++ b/example/coap_server.dart
@@ -28,7 +28,7 @@ FutureOr<void> main() async {
         ..respond(
           request,
           payload: Uint8List.fromList(utf8.encode('Hello World')),
-          responseCode: CoapCode.content,
+          responseCode: ResponseCode.content,
           contentFormat: CoapMediaType.applicationTdJson,
         )
         ..close();
diff --git a/lib/src/coap_server.dart b/lib/src/coap_server.dart
index 65bc3cdd..bafba6e5 100644
--- a/lib/src/coap_server.dart
+++ b/lib/src/coap_server.dart
@@ -91,7 +91,7 @@ abstract class CoapServer extends Stream<CoapRequest> {
 
   void respond(
     final CoapRequest request, {
-    required final CoapCode responseCode,
+    required final ResponseCode responseCode,
     final Uint8List? payload,
     final CoapMediaType? contentFormat,
   });
@@ -192,13 +192,13 @@ class _CoapUdpServer extends CoapServer {
   @override
   void respond(
     final CoapRequest request, {
-    required final CoapCode responseCode,
+    required final ResponseCode responseCode,
     final Uint8List? payload,
     final CoapMediaType? contentFormat,
   }) {
     final response = CoapResponse.createResponse(
       request,
-      CoapCode.content,
+      ResponseCode.content,
       CoapMessageType.ack,
     )
       ..id = request.id