diff --git a/src/Program.cs b/src/Program.cs
index d0ae9bf..73030fc 100644
--- a/src/Program.cs
+++ b/src/Program.cs
@@ -5,7 +5,6 @@ using System.Text;
 using System.Text.Json;
 using Fido2NetLib;
 using Fido2NetLib.Objects;
-using Microsoft.AspNetCore.Diagnostics;
 using Microsoft.Data.Sqlite;
 using SQLitePCL;
 
@@ -93,7 +92,7 @@ public static class Program {
         SameSite = SameSiteMode.None,
         MaxAge = TimeSpan.FromSeconds(s_lifetime),
       };
-      if (string.IsNullOrEmpty(s_domain)) {
+      if (!string.IsNullOrEmpty(s_domain)) {
         cookieOpts.Domain = s_domain;
       }
 
@@ -158,7 +157,7 @@ public static class Program {
         SameSite = SameSiteMode.None,
         MaxAge = TimeSpan.FromSeconds(s_lifetime),
       };
-      if (string.IsNullOrEmpty(s_domain)) {
+      if (!string.IsNullOrEmpty(s_domain)) {
         cookieOpts.Domain = s_domain;
       }