Index: move.c
===================================================================
RCS file: /cvsroot/src/lib/libcurses/move.c,v
retrieving revision 1.18
diff -u -r1.18 move.c
--- move.c	6 Jan 2017 13:53:18 -0000	1.18
+++ move.c	26 Sep 2018 18:38:11 -0000
@@ -72,8 +72,10 @@
 		return ERR;
 	win->curx = x;
 	win->alines[win->cury]->flags &= ~__ISPASTEOL;
+	win->alines[win->cury]->flags |= __ISDIRTY;
 	win->cury = y;
 	win->alines[y]->flags &= ~__ISPASTEOL;
+	win->alines[y]->flags |= __ISDIRTY;
 	return OK;
 }