diff --git a/Activout.RestClient.Xml.Test/ErrorResponseXmlTest.cs b/Activout.RestClient.Xml.Test/ErrorResponseXmlTest.cs
index d16b369..68f4e61 100644
--- a/Activout.RestClient.Xml.Test/ErrorResponseXmlTest.cs
+++ b/Activout.RestClient.Xml.Test/ErrorResponseXmlTest.cs
@@ -24,8 +24,10 @@ private ITestService CreateTestService()
             .Build<ITestService>();
     }
 
-    [Fact]
-    public async Task TestErrorResponse_Xml_BadRequest()
+    [Theory]
+    [InlineData("application/xml")]
+    [InlineData("text/xml")]
+    public async Task TestErrorResponse_Xml_BadRequest(string mediaType)
     {
         // arrange
         const string errorXml = """
@@ -37,7 +39,7 @@ public async Task TestErrorResponse_Xml_BadRequest()
             """;
         _mockHttp
             .When(HttpMethod.Get, $"{BaseUri}/resource")
-            .Respond(HttpStatusCode.BadRequest, "text/xml", errorXml);
+            .Respond(HttpStatusCode.BadRequest, mediaType, errorXml);
 
         var service = CreateTestService();
 
diff --git a/Activout.RestClient.Xml/RestClientBuilderXmlExtensions.cs b/Activout.RestClient.Xml/RestClientBuilderXmlExtensions.cs
index 109176a..bb58ac8 100644
--- a/Activout.RestClient.Xml/RestClientBuilderXmlExtensions.cs
+++ b/Activout.RestClient.Xml/RestClientBuilderXmlExtensions.cs
@@ -7,7 +7,7 @@ public static IRestClientBuilder WithXml(this IRestClientBuilder builder)
         return builder
             .With(new XmlSerializer())
             .With(new XmlDeserializer())
-            .Accept("text/xml")
-            .ContentType("text/xml");
+            .Accept(string.Join(", ", XmlHelper.SupportedMediaTypes.Select(type => type.Value)))
+            .ContentType("application/xml");
     }
 }
\ No newline at end of file