diff --git a/src/NzbDrone.Api/Authentication/EnableAuthInNancy.cs b/src/NzbDrone.Api/Authentication/EnableAuthInNancy.cs
index 9d826d3d7..b4e6cce62 100644
--- a/src/NzbDrone.Api/Authentication/EnableAuthInNancy.cs
+++ b/src/NzbDrone.Api/Authentication/EnableAuthInNancy.cs
@@ -77,7 +77,7 @@ private void RemoveLoginHooksForApiCalls(NancyContext context)
             if (context.Request.IsApiRequest())
             {
                 if ((context.Response.StatusCode == HttpStatusCode.SeeOther &&
-                     context.Response.Headers["Location"].StartsWith("/login", StringComparison.InvariantCultureIgnoreCase)) ||
+                     context.Response.Headers["Location"].StartsWith($"{_configFileProvider.UrlBase}/login", StringComparison.InvariantCultureIgnoreCase)) ||
                     context.Response.StatusCode == HttpStatusCode.Unauthorized)
                 {
                     context.Response = new { Error = "Unauthorized" }.AsResponse(HttpStatusCode.Unauthorized);