diff --git a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/mobs/DM300.java b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/mobs/DM300.java
index f90ce0702..034dbd86b 100644
--- a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/mobs/DM300.java
+++ b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/mobs/DM300.java
@@ -319,14 +319,14 @@ public class DM300 extends Mob {
 
 		if (travelling) PixelScene.shake( supercharged ? 3 : 1, 0.25f );
 
-		if (Dungeon.level.map[step] == Terrain.INACTIVE_TRAP && state == HUNTING) {
+		if (Dungeon.level.map[pos] == Terrain.INACTIVE_TRAP && state == HUNTING) {
 
 			//don't gain energy from cells that are energized
 			if (CavesBossLevel.PylonEnergy.volumeAt(pos, CavesBossLevel.PylonEnergy.class) > 0){
 				return;
 			}
 
-			if (Dungeon.level.heroFOV[step]) {
+			if (Dungeon.level.heroFOV[pos]) {
 				if (buff(Barrier.class) == null) {
 					GLog.w(Messages.get(this, "shield"));
 				}