diff --git a/solutions-code/chapter8/ObservableDeck3.java b/solutions-code/chapter8/ObservableDeck3.java
index bfa93c4..1f42876 100644
--- a/solutions-code/chapter8/ObservableDeck3.java
+++ b/solutions-code/chapter8/ObservableDeck3.java
@@ -55,7 +55,7 @@ public void shuffle()
 		}
 		Collections.shuffle(aCards);
 		setChanged();
-		notifyObservers(DeckChangeType.SHUFFLED);
+		notifyObservers(new DeckChangeEvent(DeckChangeType.SHUFFLED));
 	}
 	
 	/**