diff --git a/Backend/AuthHelpers.cs b/Backend/AuthHelpers.cs
index fe7aa49..c126bb4 100644
--- a/Backend/AuthHelpers.cs
+++ b/Backend/AuthHelpers.cs
@@ -19,6 +19,7 @@ public class AuthHelpers {
 		var client = new HttpClient();
 		client.DefaultRequestHeaders.Add("cookie", $"authelia_session={HttpUtility.UrlDecode(cookie)}");
 		client.DefaultRequestHeaders.Add("x-forwarded-proto", "https");
+		client.DefaultRequestHeaders.Add("Host", Vars.AutheliaSubdomain + "." + Vars.UpstreamPrimaryDomain);
 		var response = client.GetAsync($"http://127.0.0.1:9091/api/verify");
 		return response.Result;
 	}