diff --git a/racevisionGame/src/main/java/mock/model/commandFactory/CollisionCommand.java b/racevisionGame/src/main/java/mock/model/commandFactory/CollisionCommand.java
index b2fed2ac..bb86433d 100644
--- a/racevisionGame/src/main/java/mock/model/commandFactory/CollisionCommand.java
+++ b/racevisionGame/src/main/java/mock/model/commandFactory/CollisionCommand.java
@@ -22,6 +22,7 @@ public class CollisionCommand extends ObserverCommand {
      */
     public CollisionCommand(MockRace race, MockBoat boat) {
         super(race, boat);
+        race.addObserver(this);
     }
 
     @Override