diff --git a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/levels/rooms/special/SentryRoom.java b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/levels/rooms/special/SentryRoom.java
index 9fee2ecdf..14cac7d1b 100644
--- a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/levels/rooms/special/SentryRoom.java
+++ b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/levels/rooms/special/SentryRoom.java
@@ -422,6 +422,11 @@ public class SentryRoom extends SpecialRoom {
 			baseY = y;
 		}
 
+		@Override
+		public void turnTo(int from, int to) {
+			//do nothing
+		}
+
 		@Override
 		public void update() {
 			super.update();
diff --git a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/sprites/CrystalSpireSprite.java b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/sprites/CrystalSpireSprite.java
index 8312378b2..904d2443e 100644
--- a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/sprites/CrystalSpireSprite.java
+++ b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/sprites/CrystalSpireSprite.java
@@ -119,6 +119,11 @@ public abstract class CrystalSpireSprite extends MobSprite {
 		}
 	}
 
+	@Override
+	public void turnTo(int from, int to) {
+		//do nothing
+	}
+
 	protected abstract int texOffset();
 
 	public static class Blue extends CrystalSpireSprite {