diff --git a/doc/fixes34.4 b/doc/fixes34.4
index 5134ffc29..591c13c2b 100644
--- a/doc/fixes34.4
+++ b/doc/fixes34.4
@@ -369,6 +369,7 @@ blinded invisible hero can't see self as invisible via ';' or '/'
 a hangup save while picking up gold from shop floor could duplicate that gold
 jellyfish do not technically have a head
 potion explosion during failed alchemy should awaken nearby monsters
+lit south wall of C quest leader's room contained dark gap at secret door spot
 
 
 Platform- and/or Interface-Specific Fixes
diff --git a/src/mkmap.c b/src/mkmap.c
index 2abe8a79d..5bc088d3d 100644
--- a/src/mkmap.c
+++ b/src/mkmap.c
@@ -1,4 +1,4 @@
-/*	SCCS Id: @(#)mkmap.c	3.5	2007/08/01	*/
+/*	SCCS Id: @(#)mkmap.c	3.5	2008/02/29	*/
 /* Copyright (c) J. C. Collet, M. Stephenson and D. Cohrs, 1992   */
 /* NetHack may be freely redistributed.  See license for details. */
 
@@ -190,7 +190,8 @@ flood_fill_rm(sx, sy, rmno, lit, anyroom)
 		for(jj = sy-1; jj <= sy+1; jj++)
 		    if(isok(ii,jj) &&
 		       (IS_WALL(levl[ii][jj].typ) ||
-			IS_DOOR(levl[ii][jj].typ))) {
+			IS_DOOR(levl[ii][jj].typ) ||
+			levl[ii][jj].typ == SDOOR)) {
 			levl[ii][jj].edge = 1;
 			if(lit) levl[ii][jj].lit = lit;
 			if ((int) levl[ii][jj].roomno != rmno)