diff --git a/Mage.Sets/src/mage/cards/m/MindlessNull.java b/Mage.Sets/src/mage/cards/m/MindlessNull.java
index 5a244690b8c..3cf134e7aef 100644
--- a/Mage.Sets/src/mage/cards/m/MindlessNull.java
+++ b/Mage.Sets/src/mage/cards/m/MindlessNull.java
@@ -34,15 +34,21 @@ import mage.abilities.effects.common.combat.CantBlockUnlessYouControlSourceEffec
 import mage.cards.CardImpl;
 import mage.cards.CardSetInfo;
 import mage.constants.CardType;
+import mage.constants.SubType;
 import mage.constants.Zone;
 import mage.filter.common.FilterControlledPermanent;
+import mage.filter.predicate.mageobject.SubtypePredicate;
 
 /**
  *
  * @author North
  */
 public class MindlessNull extends CardImpl {
+    private static final FilterControlledPermanent filter = new FilterControlledPermanent("a Vampire");
 
+    static {
+        filter.add(new SubtypePredicate(SubType.VAMPIRE));
+    }
     public MindlessNull(UUID ownerId, CardSetInfo setInfo) {
         super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{2}{B}");
         this.subtype.add("Zombie");
@@ -50,7 +56,7 @@ public class MindlessNull extends CardImpl {
         this.power = new MageInt(2);
         this.toughness = new MageInt(2);
 
-        this.addAbility(new SimpleStaticAbility(Zone.BATTLEFIELD, new CantBlockUnlessYouControlSourceEffect(new FilterControlledPermanent("Vampire"))));
+        this.addAbility(new SimpleStaticAbility(Zone.BATTLEFIELD, new CantBlockUnlessYouControlSourceEffect(filter)));
     }
 
     public MindlessNull(final MindlessNull card) {
diff --git a/Mage/src/main/java/mage/abilities/effects/common/combat/CantBlockUnlessYouControlSourceEffect.java b/Mage/src/main/java/mage/abilities/effects/common/combat/CantBlockUnlessYouControlSourceEffect.java
index 5014071c687..b67b73367ef 100644
--- a/Mage/src/main/java/mage/abilities/effects/common/combat/CantBlockUnlessYouControlSourceEffect.java
+++ b/Mage/src/main/java/mage/abilities/effects/common/combat/CantBlockUnlessYouControlSourceEffect.java
@@ -45,7 +45,7 @@ public class CantBlockUnlessYouControlSourceEffect extends RestrictionEffect {
     public CantBlockUnlessYouControlSourceEffect(FilterControlledPermanent filter) {
         super(Duration.WhileOnBattlefield);
         this.filter = filter;
-        staticText = "{this} can't block unless you control" + filter.getMessage();
+        staticText = "{this} can't block unless you control " + filter.getMessage();
     }
 
     public CantBlockUnlessYouControlSourceEffect(final CantBlockUnlessYouControlSourceEffect effect) {