diff --git a/Mage.Sets/src/mage/cards/k/KaradorGhostChieftain.java b/Mage.Sets/src/mage/cards/k/KaradorGhostChieftain.java
index 7a6debe6f3e..dbb7a28ea8e 100644
--- a/Mage.Sets/src/mage/cards/k/KaradorGhostChieftain.java
+++ b/Mage.Sets/src/mage/cards/k/KaradorGhostChieftain.java
@@ -137,7 +137,7 @@ class KaradorGhostChieftainContinuousEffect extends ContinuousEffectImpl {
     public boolean apply(Game game, Ability source) {
         Player player = game.getPlayer(source.getControllerId());
         if (player != null) {
-            if (!game.getActivePlayerId().equals(player.getId())) {
+            if (game.getActivePlayerId() == null || !game.getActivePlayerId().equals(player.getId())) {
                 return false;
             }
             for (Card card : player.getGraveyard().getCards(new FilterCreatureCard(), game)) {