diff --git a/doc/fixes34.4 b/doc/fixes34.4
index deb91b9ab..75733ed1a 100644
--- a/doc/fixes34.4
+++ b/doc/fixes34.4
@@ -286,6 +286,7 @@ suppress "you rise from the dead" if game ends due to be turned into slime
 don't give erroneous "<mon> disppears" message for hero poly'd into quantum
 	mechanic who hits engulfer while swallowed and blinded
 feedback from casting spell of protection was wrong in some situations
+can't engrave on floor while inside solid rock, wall, or closed door
 
 
 Platform- and/or Interface-Specific Fixes
diff --git a/src/engrave.c b/src/engrave.c
index aec61a7d0..39405ffaf 100644
--- a/src/engrave.c
+++ b/src/engrave.c
@@ -1,4 +1,4 @@
-/*	SCCS Id: @(#)engrave.c	3.5	2005/06/22	*/
+/*	SCCS Id: @(#)engrave.c	3.5	2006/12/06	*/
 /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
 /* NetHack may be freely redistributed.  See license for details. */
 
@@ -499,6 +499,10 @@ doengrave()
 	if(Is_airlevel(&u.uz) || Is_waterlevel(&u.uz)/* in bubble */) {
 		You_cant("write in thin air!");
 		return(0);
+	} else if (closed_door(u.ux, u.uy) || !accessible(u.ux, u.uy)) {
+		/* stone, tree, wall, secret corridor, pool, lava, bars */
+		You_cant("write here.");
+		return 0;
 	}
 	if (cantwield(youmonst.data)) {
 		You_cant("even hold anything!");