diff --git a/Elwig/App.xaml.cs b/Elwig/App.xaml.cs
index da3ad8a..1803d7f 100644
--- a/Elwig/App.xaml.cs
+++ b/Elwig/App.xaml.cs
@@ -159,7 +159,7 @@ namespace Elwig {
                     list.Add(Scale.FromConfig(s));
                 } catch (Exception e) {
                     list.Add(new InvalidScale(s.Id));
-                    if (s.Required)
+                    if (Config.Debug || s.Required)
                         MessageBox.Show($"Unable to create scale {s.Id}:\n\n{e.Message}", "Scale Error",
                             MessageBoxButton.OK, MessageBoxImage.Error);
                 }