diff --git a/src/structs.h b/src/structs.h
index ce3bf9b..6710b72 100644
--- a/src/structs.h
+++ b/src/structs.h
@@ -1625,6 +1625,8 @@
     win_T	    *tp_lastwin;    /* last window in this Tab page */
     long	    tp_old_Rows;    /* Rows when Tab page was left */
     long	    tp_old_Columns; /* Columns when Tab page was left */
+    long	    tp_ch_used;	    /* value of 'cmdheight' when frame size
+				       was set */
 #ifdef FEAT_GUI
     int		    tp_prev_which_scrollbars[3];
 				    /* previous value of which_scrollbars */