diff --git a/Mage/src/mage/abilities/dynamicvalue/common/PermanentsOnBattlefieldCount.java b/Mage/src/mage/abilities/dynamicvalue/common/PermanentsOnBattlefieldCount.java
index 63d9beaec7..04597aff3e 100644
--- a/Mage/src/mage/abilities/dynamicvalue/common/PermanentsOnBattlefieldCount.java
+++ b/Mage/src/mage/abilities/dynamicvalue/common/PermanentsOnBattlefieldCount.java
@@ -44,7 +44,9 @@ public class PermanentsOnBattlefieldCount implements DynamicValue {
 
     @Override
     public String toString() {
-        return amount.toString();
+		if (amount != null)
+			return amount.toString();
+		return "";
     }
 
     @Override