diff --git a/src/sp_lev.c b/src/sp_lev.c
index 2194b384f..2f276d683 100644
--- a/src/sp_lev.c
+++ b/src/sp_lev.c
@@ -1,4 +1,4 @@
-/*	SCCS Id: @(#)sp_lev.c	3.5	2006/05/09	*/
+/*	SCCS Id: @(#)sp_lev.c	3.5	2007/04/20	*/
 /*	Copyright (c) 1989 by Jean-Christophe Collet */
 /* NetHack may be freely redistributed.  See license for details. */
 
@@ -2405,7 +2405,9 @@ dlb *fd;
 		x = tmpdb.x;  y = tmpdb.y;
 		get_location(&x, &y, DRY|WET);
 
-		if (!create_drawbridge(x, y, tmpdb.dir, tmpdb.db_open))
+		typ = tmpdb.db_open;
+		if (typ == 127) typ = rn2(2);	/* 0 => closed, 1 => open */
+		if (!create_drawbridge(x, y, tmpdb.dir, typ))
 		    impossible("Cannot create drawbridge.");
 	}
 
diff --git a/sys/share/lev_yacc.c b/sys/share/lev_yacc.c
index cf509bbf3..d4f5ca576 100644
--- a/sys/share/lev_yacc.c
+++ b/sys/share/lev_yacc.c
@@ -8,7 +8,7 @@ static char yysccsid[] = "@(#)yaccpar	1.9 (Berkeley) 02/21/93";
 #define yyerrok (yyerrflag=0)
 #define YYRECOVERING (yyerrflag!=0)
 #define YYPREFIX "yy"
-/*	SCCS Id: @(#)lev_yacc.c	3.5	2000/01/17	*/
+/*	SCCS Id: @(#)lev_yacc.c	3.5	2007/04/20	*/
 /*	Copyright (c) 1989 by Jean-Christophe Collet */
 /* NetHack may be freely redistributed.  See license for details. */
 
@@ -1812,8 +1812,10 @@ case 151:
 			    tmpdb[ndb]->db_open = 1;
 			else if ( yyvsp[0].i == D_CLOSED )
 			    tmpdb[ndb]->db_open = 0;
+			else if (yyvsp[0].i == -1)	/* RANDOM_TYPE */
+			    tmpdb[ndb]->db_open = 127;	/* random */
 			else
-			    yyerror("A drawbridge can only be open or closed!");
+			    yyerror("A drawbridge can only be open, closed, or random!");
 			ndb++;
 			if (ndb >= MAX_OF_TYPE) {
 				yyerror("Too many drawbridges in mazepart!");
diff --git a/util/lev_comp.y b/util/lev_comp.y
index abc6233f3..2c47ecef8 100644
--- a/util/lev_comp.y
+++ b/util/lev_comp.y
@@ -1,5 +1,5 @@
 %{
-/*	SCCS Id: @(#)lev_yacc.c	3.5	2000/01/17	*/
+/*	SCCS Id: @(#)lev_yacc.c	3.5	2007/04/20	*/
 /*	Copyright (c) 1989 by Jean-Christophe Collet */
 /* NetHack may be freely redistributed.  See license for details. */
 
@@ -1062,8 +1062,10 @@ drawbridge_detail: DRAWBRIDGE_ID ':' coordinate ',' DIRECTION ',' door_state
 			    tmpdb[ndb]->db_open = 1;
 			else if ( $<i>7 == D_CLOSED )
 			    tmpdb[ndb]->db_open = 0;
+			else if ($<i>7 == -1)	/* RANDOM_TYPE */
+			    tmpdb[ndb]->db_open = 127;	/* random */
 			else
-			    yyerror("A drawbridge can only be open or closed!");
+			    yyerror("A drawbridge can only be open, closed, or random!");
 			ndb++;
 			if (ndb >= MAX_OF_TYPE) {
 				yyerror("Too many drawbridges in mazepart!");