diff --git a/SabreTools.CommandLine/CommandSet.cs b/SabreTools.CommandLine/CommandSet.cs
index 7b2fb42..1230bc0 100644
--- a/SabreTools.CommandLine/CommandSet.cs
+++ b/SabreTools.CommandLine/CommandSet.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using SabreTools.CommandLine.Features;
 using SabreTools.CommandLine.Inputs;
 
 namespace SabreTools.CommandLine
@@ -906,6 +907,18 @@ namespace SabreTools.CommandLine
                 return false;
             }
 
+            // Handle default help functionality
+            if (topLevel is Help helpFeature)
+            {
+                helpFeature.ProcessArgs(args, 0, this);
+                return true;
+            }
+            else if (topLevel is HelpExtended helpExtFeature)
+            {
+                helpExtFeature.ProcessArgs(args, 0, this);
+                return true;
+            }
+
             // Now verify that all other flags are valid
             if (!feature.ProcessArgs(args, 1))
             {