diff --git a/Source/ManagedFusion.Web.csproj b/Source/ManagedFusion.Web.csproj
index c81b8d4..451b202 100644
--- a/Source/ManagedFusion.Web.csproj
+++ b/Source/ManagedFusion.Web.csproj
@@ -10,7 +10,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>ManagedFusion</RootNamespace>
     <AssemblyName>ManagedFusion.Web</AssemblyName>
-    <TargetFrameworkVersion>v3.5</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <SccProjectName>
     </SccProjectName>
@@ -130,12 +130,6 @@
     <Compile Include="Web\Mvc\UnsupportedMediaTypeResult.cs" />
     <Compile Include="Web\Mvc\XmlResult.cs" />
   </ItemGroup>
-  <ItemGroup>
-    <ProjectReference Include="..\..\ManagedFusion\Source\ManagedFusion.csproj">
-      <Project>{92F1B19A-91D8-4F24-99D8-40042F86855D}</Project>
-      <Name>ManagedFusion</Name>
-    </ProjectReference>
-  </ItemGroup>
   <ItemGroup>
     <BootstrapperPackage Include="Microsoft.Net.Client.3.5">
       <Visible>False</Visible>
@@ -153,6 +147,12 @@
       <Install>true</Install>
     </BootstrapperPackage>
   </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\..\ManagedFusion\Source\ManagedFusion.csproj">
+      <Project>{92F1B19A-91D8-4F24-99D8-40042F86855D}</Project>
+      <Name>ManagedFusion</Name>
+    </ProjectReference>
+  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.
diff --git a/Source/Web/Mvc/SerializedResult.cs b/Source/Web/Mvc/SerializedResult.cs
index 17a5f7e..f4c43c4 100644
--- a/Source/Web/Mvc/SerializedResult.cs
+++ b/Source/Web/Mvc/SerializedResult.cs
@@ -92,32 +92,44 @@ public static ResponseType GetResponseType(ControllerContext filterContext)
 			// check to see if we should try to parse it to an enum
 			responseType = ManagedFusion.Utility.ParseEnum<ResponseType>(type);
 
-			// if the response type is still the default HTML check the Accept header
-			// if the requestion is an XMLHttpRequest
+			var acceptTypes = filterContext.HttpContext.Request.AcceptTypes;
+
 			if (responseType == ResponseType.None && filterContext.HttpContext.Request.AcceptTypes != null)
 			{
-				foreach (string accept in filterContext.HttpContext.Request.AcceptTypes)
+				if (acceptTypes.Any(x => x.StartsWith("text/html") || x.StartsWith("application/xhtml+xml")))
+					responseType = ResponseType.Html;
+
+				if (responseType == ResponseType.None)
 				{
-					switch (accept.ToLower())
+					foreach (string accept in acceptTypes)
 					{
-						case "application/xhtml+xml":
-						case "text/html": responseType = ResponseType.Html; break;
+						var value = accept;
+						var seperatorIndex = value.IndexOf(';');
 
-						case "application/json":
-						case "application/x-json": responseType = ResponseType.Json; break;
+						if (seperatorIndex > -1)
+							value = value.Substring(0, seperatorIndex);
 
-						case "application/javascript":
-						case "application/x-javascript":
-						case "text/javascript": responseType = ResponseType.JavaScript; break;
+						switch (accept.ToLower())
+						{
+							case "application/xhtml+xml":
+							case "text/html": responseType = ResponseType.Html; break;
 
-						case "application/xml":
-						case "text/xml": responseType = ResponseType.Xml; break;
+							case "application/json":
+							case "application/x-json": responseType = ResponseType.Json; break;
 
-						case "text/csv": responseType = ResponseType.Csv; break;
-					}
+							case "application/javascript":
+							case "application/x-javascript":
+							case "text/javascript": responseType = ResponseType.JavaScript; break;
 
-					if (responseType != ResponseType.None)
-						break;
+							case "application/xml":
+							case "text/xml": responseType = ResponseType.Xml; break;
+
+							case "text/csv": responseType = ResponseType.Csv; break;
+						}
+
+						if (responseType != ResponseType.None)
+							break;
+					}
 				}
 			}