diff --git a/UnityLauncherPro/MainWindow.xaml.cs b/UnityLauncherPro/MainWindow.xaml.cs
index 91b892f..dd31b86 100644
--- a/UnityLauncherPro/MainWindow.xaml.cs
+++ b/UnityLauncherPro/MainWindow.xaml.cs
@@ -796,7 +796,7 @@ async void GoLookForUpdatesForThisUnity()
             await CallGetUnityUpdates();
 
             var unity = GetSelectedUnity();
-            if (unity == null) return;
+            if (unity == null || string.IsNullOrEmpty(unity.Version) == true) return;
 
             if (dataGridUpdates.ItemsSource != null)
             {