diff --git a/Syn3Updater/UI/Tabs/SettingsViewModel.cs b/Syn3Updater/UI/Tabs/SettingsViewModel.cs
index b28f2954..68913ab7 100644
--- a/Syn3Updater/UI/Tabs/SettingsViewModel.cs
+++ b/Syn3Updater/UI/Tabs/SettingsViewModel.cs
@@ -312,7 +312,7 @@ private void ApplySettingsAction()
                 }
             }
 
-            if (LicenseKey.Length < 10) LicenseKey = "";
+            if (LicenseKey?.Length < 10) LicenseKey = "";
             ApplicationManager.Instance.FireHomeTabEvent();
         }