diff --git a/src/globals.h b/src/globals.h
index 93f1514..82731f9 100644
--- a/src/globals.h
+++ b/src/globals.h
@@ -510,6 +510,7 @@
 EXTERN VimClipboard clip_plus;	/* CLIPBOARD selection in X11 */
 # else
 #  define clip_plus clip_star	/* there is only one clipboard */
+#  define ONE_CLIPBOARD
 # endif
 EXTERN int	clip_unnamed INIT(= FALSE);
 EXTERN int	clip_autoselect INIT(= FALSE);