diff --git a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/levels/traps/PoisonDartTrap.java b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/levels/traps/PoisonDartTrap.java
index 166933605..8f079291d 100644
--- a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/levels/traps/PoisonDartTrap.java
+++ b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/levels/traps/PoisonDartTrap.java
@@ -100,7 +100,7 @@ public class PoisonDartTrap extends Trap {
 			} else {
 				finalTarget.damage(Random.NormalIntRange(1, 4) - finalTarget.drRoll(), trap);
 				Buff.affect( finalTarget, Poison.class )
-						.set( 4 + Dungeon.depth );
+						.set( 8 + Math.round(2*Dungeon.depth / 3f) );
 			}
 		}
 	}