diff --git a/Mage/src/main/java/mage/abilities/effects/common/FlipCoinEffect.java b/Mage/src/main/java/mage/abilities/effects/common/FlipCoinEffect.java
index ba3fa167c6..21036b14f8 100644
--- a/Mage/src/main/java/mage/abilities/effects/common/FlipCoinEffect.java
+++ b/Mage/src/main/java/mage/abilities/effects/common/FlipCoinEffect.java
@@ -20,7 +20,7 @@ public class FlipCoinEffect extends OneShotEffect {
     protected Effects executingEffectsLost = new Effects();
 
     public FlipCoinEffect() {
-        this(null);
+        this((Effect) null);
     }
 
     public FlipCoinEffect(Effect effectWon) {