diff --git a/Terminal.Gui/Application/Application.Initialization.cs b/Terminal.Gui/Application/Application.Initialization.cs
index 31cfa09df..c58e1bf92 100644
--- a/Terminal.Gui/Application/Application.Initialization.cs
+++ b/Terminal.Gui/Application/Application.Initialization.cs
@@ -193,7 +193,7 @@ public static partial class Application // Initialization (Init/Shutdown)
         {
             foreach (Type? type in asm.GetTypes ())
             {
-                if (type.IsSubclassOf (typeof (IConsoleDriver)) && !type.IsAbstract)
+                if (typeof (IConsoleDriver).IsAssignableFrom (type) && !type.IsAbstract && type.IsClass)
                 {
                     driverTypes.Add (type);
                 }