When Async is used, Seems like isFiltered in ElmahHandleErrorApiAttribute throws Exception when no current HttpContext

[karthikeyanmadhavan]

at Elmah.Contrib.WebApi.ElmahHandleErrorApiAttribute.IsFiltered(HttpActionExecutedContext context)
at Elmah.Contrib.WebApi.ElmahHandleErrorApiAttribute.OnActionExecuted(HttpActionExecutedContext actionExecutedContext)

private static bool IsFiltered(HttpActionExecutedContext context)
{
var config = HttpContext.Current.GetSection("elmah/errorFilter") as ErrorFilterConfiguration;
if (config == null) return false;
var testContext = new ErrorFilterModule.AssertionHelperContext( context.Exception, HttpContext.Current);
return config.Assertion.Test(testContext);
}