diff --git a/source/Commands/CommandObjectArgs.h b/source/Commands/CommandObjectArgs.h
index 544d343..b6a7f32 100644
--- a/source/Commands/CommandObjectArgs.h
+++ b/source/Commands/CommandObjectArgs.h
@@ -28,7 +28,7 @@
         {
         public:
             
-            CommandOptions ();
+            CommandOptions (CommandInterpreter &interpreter);
             
             virtual
             ~CommandOptions ();