diff --git a/Headers/gnustep/gui/NSControl.h b/Headers/gnustep/gui/NSControl.h
index ba095acf4..14e7c378a 100644
--- a/Headers/gnustep/gui/NSControl.h
+++ b/Headers/gnustep/gui/NSControl.h
@@ -41,8 +41,8 @@
 @interface NSControl : NSView <NSCoding>
 {
   // Attributes
-  int tag;
-  id cell;
+  int _tag;
+  id _cell; // id so compiler wont complain too much for subclasses
 }
 
 //
@@ -50,6 +50,11 @@
 //
 - (id)initWithFrame:(NSRect)frameRect;
 
+//
+// Creating copies
+//
+- (id) copyWithZone: (NSZone*)zone;
+
 //
 // Setting the Control's Cell 
 //