diff --git a/Mage/src/mage/abilities/condition/common/SpellMasteryCondition.java b/Mage/src/mage/abilities/condition/common/SpellMasteryCondition.java
index db9faa20080..fd8a29207cb 100644
--- a/Mage/src/mage/abilities/condition/common/SpellMasteryCondition.java
+++ b/Mage/src/mage/abilities/condition/common/SpellMasteryCondition.java
@@ -36,6 +36,8 @@ public class SpellMasteryCondition implements Condition {
         return fInstance;
     }
     
+    private SpellMasteryCondition() {}
+    
     @Override
     public boolean apply(Game game, Ability source) {
         Player player = game.getPlayer(source.getControllerId());