diff --git a/StatusWindow/UpdateCheck.cs b/StatusWindow/UpdateCheck.cs
index e53010d..9453577 100644
--- a/StatusWindow/UpdateCheck.cs
+++ b/StatusWindow/UpdateCheck.cs
@@ -9,9 +9,9 @@ namespace HardwareMonitorStatusWindow.StatusWindow;
 
 internal static class UpdateCheck
 {
-    private static UpdateManager _updateManager;
+    private static UpdateManager? _updateManager;
 
-    public static UpdateManager UpdateManager => _updateManager ??= new UpdateManager(new GithubSource("https://gitea.kaczorzoo.net/ckaczor/HardwareMonitorStatusWindow", null, false));
+    public static UpdateManager UpdateManager => _updateManager ??= new UpdateManager(new GiteaSource("https://gitea.kaczorzoo.net/ckaczor/HardwareMonitorStatusWindow", null, false));
 
     public static string LocalVersion => (UpdateManager.CurrentVersion ?? new SemanticVersion(0, 0, 0)).ToString();