diff --git a/Mage.Sets/src/mage/cards/c/ChamberSentry.java b/Mage.Sets/src/mage/cards/c/ChamberSentry.java
index aa5ac14be9..3cb86b0e9a 100644
--- a/Mage.Sets/src/mage/cards/c/ChamberSentry.java
+++ b/Mage.Sets/src/mage/cards/c/ChamberSentry.java
@@ -34,7 +34,7 @@ public final class ChamberSentry extends CardImpl {
         this.toughness = new MageInt(0);
 
         // Chamber Sentry enters the battlefield with a +1/+1 counter on it for each color of mana spent to cast it.
-        this.addAbility(new SunburstAbility(this));
+        this.addAbility(new EntersBattlefieldAbility(new AddCountersSourceEffect(CounterType.P1P1.createInstance(), ColorsOfManaSpentToCastCount.getInstance(), true)));
 
         // {X}, {T}, Remove X +1/+1 counters from Chamber Sentry: It deals X damage to any target.
         Ability ability = new SimpleActivatedAbility(Zone.BATTLEFIELD, new DamageTargetEffect(new ManacostVariableValue()), new ManaCostsImpl("{X}"));