diff --git a/Mage/src/mage/abilities/effects/common/AddManaOfAnyColorTargetCanProduceEffect.java b/Mage/src/mage/abilities/effects/common/AddManaOfAnyColorTargetCanProduceEffect.java
index 04f4ca426bd..6e5574613c9 100644
--- a/Mage/src/mage/abilities/effects/common/AddManaOfAnyColorTargetCanProduceEffect.java
+++ b/Mage/src/mage/abilities/effects/common/AddManaOfAnyColorTargetCanProduceEffect.java
@@ -91,6 +91,9 @@ public class AddManaOfAnyColorTargetCanProduceEffect extends ManaEffect {
                 } else {
                     player.choose(outcome, choice, game);
                 }
+                if (choice.getChoice() == null) {
+                    return false;
+                }
                 switch (choice.getChoice()) {
                     case "Black":
                         player.getManaPool().addMana(Mana.BlackMana, game, source);