diff --git a/doc/fixes35.0 b/doc/fixes35.0
index 924437930..6b6667cdd 100644
--- a/doc/fixes35.0
+++ b/doc/fixes35.0
@@ -67,6 +67,7 @@ when a giant carrying a boulder dies in a pit, ensure that the corpse is
 when blind and levitating > shouldn't say "stairs" if player has not seen them
 a slow-moving monster hidden under a rotting corpse was not immediately
 	displayed when the corpse rotted away
+mimic that ends up on the rogue level should not mimic a closed door
 
 
 Platform- and/or Interface-Specific Fixes
diff --git a/src/makemon.c b/src/makemon.c
index f76099c9f..6a94826e8 100644
--- a/src/makemon.c
+++ b/src/makemon.c
@@ -1665,6 +1665,8 @@ register struct monst *mtmp;
 		 *  If there is a wall to the left that connects to this
 		 *  location, then the mimic mimics a horizontal closed door.
 		 *  This does not allow doors to be in corners of rooms.
+		 *  Since rogue has no closed doors, mimic a wall there
+		 *  (yes, mimics can end up on this level by various means).
 		 */
 		if (mx != 0 &&
 			(levl[mx-1][my].typ == HWALL    ||
@@ -1674,9 +1676,9 @@ register struct monst *mtmp;
 			 levl[mx-1][my].typ == TDWALL   ||
 			 levl[mx-1][my].typ == CROSSWALL||
 			 levl[mx-1][my].typ == TUWALL    ))
-		    appear = S_hcdoor;
+		    appear = Is_rogue_level(&u.uz) ? S_hwall : S_hcdoor;
 		else
-		    appear = S_vcdoor;
+		    appear = Is_rogue_level(&u.uz) ? S_vwall : S_vcdoor;
 
 		if(!mtmp->minvis || See_invisible)
 		    block_point(mx,my);	/* vision */