diff --git a/lib/libcurses/curses.h b/lib/libcurses/curses.h
index f7c7f0f0f566..64fb65260e55 100644
--- a/lib/libcurses/curses.h
+++ b/lib/libcurses/curses.h
@@ -120,7 +120,7 @@ extern int	 My_term;		/* Use Def_term regardless. */
 extern char	*Def_term;		/* Default terminal type. */
 
 /* Termcap capabilities. */
-extern char     AM, BS, CA, DA, DB, EO, HC, IN, MI, MS, NC, NS, OS,
+extern char     AM, BS, CA, DA, cDB, EO, HC, IN, MI, MS, NC, NS, OS,
 		PC, UL, XB, XN, XT, XS, XX;
 extern char	*AL, *BC, *BT, *CD, *CE, *CL, *CM, *CR, *CS, *DC, *DL,
 		*DM, *DO, *ED, *EI, *K0, *K1, *K2, *K3, *K4, *K5, *K6,
diff --git a/lib/libcurses/refresh.c b/lib/libcurses/refresh.c
index 4cb87a3a760c..d22d88054dbe 100644
--- a/lib/libcurses/refresh.c
+++ b/lib/libcurses/refresh.c
@@ -745,7 +745,7 @@ scrolln(starts, startw, curs, bot, top)
 
 	if (n > 0) {
 		/* Scroll up the screen. */
-		if ((!DB && SF != NULL || n == 1) && bot == curscr->maxy - 1 && top == 0) {
+		if ((!cDB && SF != NULL || n == 1) && bot == curscr->maxy - 1 && top == 0) {
 			__mvcur(oy, ox, curscr->maxy - 1, 0, 1);
 			if (n == 1)
 				goto f_nl1;
diff --git a/lib/libcurses/setterm.c b/lib/libcurses/setterm.c
index ddb5871e4a80..650ec046457f 100644
--- a/lib/libcurses/setterm.c
+++ b/lib/libcurses/setterm.c
@@ -51,7 +51,7 @@ static void zap __P((void));
 
 static char	*sflags[] = {
 		/*       am   bs   da   db   eo   hc   in   mi   ms  */
-			&AM, &BS, &DA, &DB, &EO, &HC, &IN, &MI, &MS,
+			&AM, &BS, &DA, &cDB, &EO, &HC, &IN, &MI, &MS,
 		/*	 nc   ns   os   ul   xb   xn   xt   xs   xx  */
 			&NC, &NS, &OS, &UL, &XB, &XN, &XT, &XS, &XX
 		};