diff --git a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/mobs/NewDM300.java b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/mobs/NewDM300.java
index 9a851608b..51c77cbd4 100644
--- a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/mobs/NewDM300.java
+++ b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/mobs/NewDM300.java
@@ -217,7 +217,7 @@ public class NewDM300 extends Mob {
 							}
 						//if we can't gas, then drop rocks
 						} else {
-							lastAbility = GAS;
+							lastAbility = ROCKS;
 							turnsSinceLastAbility = 0;
 							GLog.w(Messages.get(this, "rocks"));
 							if (sprite != null && (sprite.visible || enemy.sprite.visible)) {