diff --git a/src/A3.cpp b/src/A3.cpp
index bdfa4b7b8..bef0372e3 100644
--- a/src/A3.cpp
+++ b/src/A3.cpp
@@ -463,6 +463,7 @@ void A3::inject_defaults ()
       std::string defaultCommand = context.config.get ("default.command");
       if (defaultCommand != "")
       {
+        context.debug ("No command or sequence found - assuming default.command.");
         capture_first (defaultCommand);
         context.header ("[" + combine () + "]");
       }
@@ -474,12 +475,14 @@ void A3::inject_defaults ()
       // Modify command.
       if (found_other)
       {
+        context.debug ("Sequence and filter, but no command found - assuming 'modify' command.");
         capture_first ("modify");
       }
 
       // Information command.
       else
       {
+        context.debug ("Sequence but no command found - assuming 'information' command.");
         context.header (STRING_ASSUME_INFO);
         capture_first ("information");
       }
diff --git a/src/Context.cpp b/src/Context.cpp
index 77b98f44a..2d36823c8 100644
--- a/src/Context.cpp
+++ b/src/Context.cpp
@@ -119,11 +119,17 @@ int Context::initialize (int argc, const char** argv)
     // Instantiate built-in column objects.
     Column::factory (columns);
 
-    // Categorize all arguments one more time.  THIS IS NECESSARY.
+    // Categorize all arguments one more time.  THIS IS NECESSARY - it helps the
+    // following inject_defaults method determine whether there needs to be a
+    // default command assumed.
     a3.categorize ();
 
     // Handle default command and assumed 'info' command.
     a3.inject_defaults ();
+
+    // The re-categorization allows all injected arguments to be properly given
+    // a category.
+    a3.categorize ();
     a3.dump ("Context::initialize");  // TODO Remove.
 
     // TODO Instantiate extension command objects.