diff --git a/src/sitelets/WebSharper.Sitelets/RouterInfer.Client.fs b/src/sitelets/WebSharper.Sitelets/RouterInfer.Client.fs
index 13365f113..a8116485b 100644
--- a/src/sitelets/WebSharper.Sitelets/RouterInfer.Client.fs
+++ b/src/sitelets/WebSharper.Sitelets/RouterInfer.Client.fs
@@ -344,6 +344,8 @@ type RoutingMacro() =
                             failwithf "Failed to create Router for type %O, F# union case types are not supported yet" t
                         | M.DelegateInfo _ ->
                             failwithf "Failed to create Router for type %O, delegate types are not supported" t
+                        | M.FSharpAnonRecordInfo _ ->
+                            failwith "Failed to create Router, anonymous F# record types are not supported"
                         | M.StructInfo
                         | M.NotCustomType ->
                             if not allJSClassesInitialized then
diff --git a/tests/Web/Web.config b/tests/Web/Web.config
index df06ded1d..b27d82619 100644
--- a/tests/Web/Web.config
+++ b/tests/Web/Web.config
@@ -25,7 +25,7 @@
     <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
       <dependentAssembly>
         <assemblyIdentity name="FSharp.Core" publicKeyToken="b03f5f7f11d50a3a" culture="neutral"/>
-        <bindingRedirect oldVersion="2.0.0.0-65535.65535.65535.65535" newVersion="4.6.0.0"/>
+        <bindingRedirect oldVersion="2.0.0.0-65535.65535.65535.65535" newVersion="4.7.0.0"/>
       </dependentAssembly>
     </assemblyBinding>
   </runtime>