diff -ruN Statgrab-0.4/statgrab.c Statgrab-0.4.new/statgrab.c
--- statgrab.c	Tue Apr  5 16:00:34 2005
+++ statgrab.c	Sat Jul 30 12:13:18 2005
@@ -553,7 +553,7 @@
 		array_init(tmpz);
 
 		PHP_SG_ADD_LVAL(tmpz, "speed", ifs->speed)
-		PHP_SG_ADD_LVAL(tmpz, "duplex", ifs->dup)
+		PHP_SG_ADD_LVAL(tmpz, "duplex", ifs->duplex)
 		add_assoc_bool(tmpz, "active", ifs->up);
 
 		add_assoc_zval(return_value, ifs->interface_name, tmpz);