diff --git a/Swashbuckle.OData.Nuget/Swashbuckle.OData.NuGet.nuproj b/Swashbuckle.OData.Nuget/Swashbuckle.OData.NuGet.nuproj
index c9dd453..4c67521 100644
--- a/Swashbuckle.OData.Nuget/Swashbuckle.OData.NuGet.nuproj
+++ b/Swashbuckle.OData.Nuget/Swashbuckle.OData.NuGet.nuproj
@@ -25,12 +25,12 @@
     <Owners>Richard Beauchamp</Owners>
     <Summary>Extends Swashbuckle with OData v4 support!</Summary>
     <Description>Extends Swashbuckle with OData v4 support!</Description>
-    <ReleaseNotes>Limits the swagger model-schema to the top-level entity</ReleaseNotes>
+    <ReleaseNotes>Fix issue with custom routes</ReleaseNotes>
     <ProjectUrl>https://github.com/rbeauchamp/Swashbuckle.OData</ProjectUrl>
     <LicenseUrl>https://github.com/rbeauchamp/Swashbuckle.OData/blob/master/License.txt</LicenseUrl>
     <Copyright>Copyright 2015</Copyright>
     <Tags>Swashbuckle Swagger SwaggerUi OData Documentation Discovery Help WebApi AspNet AspNetWebApi Docs WebHost IIS</Tags>
-    <Version>2.8.0</Version>
+    <Version>2.8.1</Version>
   </PropertyGroup>
   <ItemGroup>
     <ProjectReference Include="..\Swashbuckle.OData\Swashbuckle.OData.csproj" />
diff --git a/Swashbuckle.OData.Sample/App_Start/CustomNavigationPropertyRoutingConvention.cs b/Swashbuckle.OData.Sample/App_Start/CustomNavigationPropertyRoutingConvention.cs
index 2af5ef0..a6dcf46 100644
--- a/Swashbuckle.OData.Sample/App_Start/CustomNavigationPropertyRoutingConvention.cs
+++ b/Swashbuckle.OData.Sample/App_Start/CustomNavigationPropertyRoutingConvention.cs
@@ -13,10 +13,15 @@ public override string SelectAction(ODataPath odataPath, HttpControllerContext c
         {
             var controllerType = controllerContext.Controller.GetType();
 
-            if (typeof (CustomersController) == controllerType)
+            if (typeof(CustomersController) == controllerType)
             {
+                if (odataPath.PathTemplate.Equals("~/entityset/key/navigation")) //POST OR GET
+                {
+                    controllerContext.RouteData.Values["orderID"] = (odataPath.Segments[1] as KeyValuePathSegment).Value;
+                    return controllerContext.Request.Method.ToString();
+                }
             }
-            else if (typeof (OrdersController) == controllerType)
+            else if (typeof(OrdersController) == controllerType)
             {
                 if (odataPath.PathTemplate.Equals("~/entityset/key/navigation")) //POST OR GET
                 {
@@ -41,8 +46,8 @@ public override string SelectController(ODataPath odataPath, HttpRequestMessage
             if (odataPath.PathTemplate.Contains("~/entityset/key/navigation"))
             {
                 // Find controller.  Controller should be last navigation property
-                return ODataSegmentKinds.Navigation == odataPath.Segments[odataPath.Segments.Count - 1].SegmentKind 
-                    ? odataPath.Segments[odataPath.Segments.Count - 1].ToString() 
+                return ODataSegmentKinds.Navigation == odataPath.Segments[odataPath.Segments.Count - 1].SegmentKind
+                    ? odataPath.Segments[odataPath.Segments.Count - 1].ToString()
                     : odataPath.Segments[odataPath.Segments.Count - 2].ToString();
             }
             return base.SelectController(odataPath, request);
diff --git a/Swashbuckle.OData.Sample/ODataControllers/OrdersController.cs b/Swashbuckle.OData.Sample/ODataControllers/OrdersController.cs
index 2891ce2..ddb862d 100644
--- a/Swashbuckle.OData.Sample/ODataControllers/OrdersController.cs
+++ b/Swashbuckle.OData.Sample/ODataControllers/OrdersController.cs
@@ -47,6 +47,11 @@ public async Task<IHttpActionResult> Post([FromODataUri] int customerId, Order o
             return Created(order);
         }
 
+        public async Task<IHttpActionResult> Delete([FromODataUri] int customerId, [FromODataUri] Guid orderID)
+        {
+            throw new NotImplementedException();
+        }
+
         /// <summary>
         /// Query the order by id
         /// </summary>
diff --git a/Swashbuckle.OData.Tests/Fixtures/CustomRouteTests.cs b/Swashbuckle.OData.Tests/Fixtures/CustomRouteTests.cs
index 6104708..7b411c8 100644
--- a/Swashbuckle.OData.Tests/Fixtures/CustomRouteTests.cs
+++ b/Swashbuckle.OData.Tests/Fixtures/CustomRouteTests.cs
@@ -41,6 +41,27 @@ public async Task It_allows_definition_of_custom_routes()
             }
         }
 
+        [Test]
+        public async Task It_allows_definition_of_custom_delete_routes()
+        {
+            using (WebApp.Start(HttpClientUtils.BaseAddress, builder => Configuration(builder, typeof(OrdersController))))
+            {
+                // Arrange
+                var httpClient = HttpClientUtils.GetHttpClient(HttpClientUtils.BaseAddress);
+
+                // Act
+                var swaggerDocument = await httpClient.GetJsonAsync<SwaggerDocument>("swagger/docs/v1");
+
+                // Assert
+                PathItem pathItem;
+                swaggerDocument.paths.TryGetValue("/odata/Customers({Id})/Orders({orderID})", out pathItem);
+                pathItem.Should().NotBeNull();
+                pathItem.delete.Should().NotBeNull();
+
+                await ValidationUtils.ValidateSwaggerJson();
+            }
+        }
+
         private static void Configuration(IAppBuilder appBuilder, Type targetController)
         {
             var config = appBuilder.GetStandardHttpConfig(targetController);
@@ -54,6 +75,11 @@ private static void Configuration(IAppBuilder appBuilder, Type targetController)
                 .PathParameter<int>("Id")
                 .BodyParameter<Order>("order");
 
+            config.AddCustomSwaggerRoute(customODataRoute, "/Customers({Id})/Orders({orderID})")
+                .Operation(HttpMethod.Delete)
+                .PathParameter<int>("Id")
+                .PathParameter<Guid>("orderID");
+
             config.EnsureInitialized();
         }
 
diff --git a/Swashbuckle.OData/Descriptions/ODataSwaggerUtilities.cs b/Swashbuckle.OData/Descriptions/ODataSwaggerUtilities.cs
index 23c6f88..da6be70 100644
--- a/Swashbuckle.OData/Descriptions/ODataSwaggerUtilities.cs
+++ b/Swashbuckle.OData/Descriptions/ODataSwaggerUtilities.cs
@@ -685,7 +685,8 @@ internal static IList<Parameter> Parameter(this IList<Parameter> parameters, str
             {
                 name = name,
                 @in = kind,
-                description = description
+                description = description,
+                required = true
             };
 
             if (kind != "body")
diff --git a/Swashbuckle.OData/Properties/AssemblyInfo.cs b/Swashbuckle.OData/Properties/AssemblyInfo.cs
index 0cc5f8f..65aeff7 100644
--- a/Swashbuckle.OData/Properties/AssemblyInfo.cs
+++ b/Swashbuckle.OData/Properties/AssemblyInfo.cs
@@ -37,4 +37,4 @@
 
 [assembly: AssemblyVersion("1.0.0.0")]
 [assembly: AssemblyFileVersion("1.0.0.0")]
-[assembly: AssemblyInformationalVersion("2.8.0")]
\ No newline at end of file
+[assembly: AssemblyInformationalVersion("2.8.1")]
\ No newline at end of file