diff --git a/Headers/gnustep/gui/NSToolbar.h b/Headers/gnustep/gui/NSToolbar.h
index 68134e6b9..0c3f5fb22 100644
--- a/Headers/gnustep/gui/NSToolbar.h
+++ b/Headers/gnustep/gui/NSToolbar.h
@@ -96,6 +96,12 @@ APPKIT_EXPORT NSString *NSToolbarWillAddItemNotification;
 - (NSArray*) visibleItems;
 @end /* interface of NSToolbar */
 
+@class GSToolbarView;
+
+@interface NSToolbar (GNUstepPrivate)
+- (GSToolbarView *) _toolbarView;
+@end
+
 /*
  * Methods Implemented by the Delegate
  */