diff --git a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/levels/SewerBossLevel.java b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/levels/SewerBossLevel.java
index 559a62ed1..2c9a94861 100644
--- a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/levels/SewerBossLevel.java
+++ b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/levels/SewerBossLevel.java
@@ -158,6 +158,7 @@ public class SewerBossLevel extends SewerLevel {
 		for (Point p : roomEntrance.getPoints()){
 			int cell = pointToCell(p);
 			if (passable[cell]
+					&& roomEntrance.inside(p)
 					&& Actor.findChar(cell) == null
 					&& (!Char.hasProp(ch, Char.Property.LARGE) || openSpace[cell])){
 				candidates.add(cell);