diff --git a/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/activation/EntityActivationEvent.java b/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/activation/EntityActivationEvent.java
index fabe5449..577ea104 100644
--- a/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/activation/EntityActivationEvent.java
+++ b/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/activation/EntityActivationEvent.java
@@ -16,13 +16,15 @@ public final class EntityActivationEvent extends ApplicationEvent {
 
     private static final long serialVersionUID = -6712364320755441148L;
 
-    public final transient boolean activated;
-    public final transient Entity entity;
+    public final boolean activated;
 
     public EntityActivationEvent(final Entity source, final boolean activated) {
         super(source);
-        this.entity = source;
         this.activated = activated;
     }
 
+    public Entity getEntity() {
+        return (Entity) this.source;
+    }
+
 }
diff --git a/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/activation/EntityActivationService.java b/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/activation/EntityActivationService.java
index 1863ff2f..1def3056 100644
--- a/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/activation/EntityActivationService.java
+++ b/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/activation/EntityActivationService.java
@@ -30,9 +30,9 @@ public class EntityActivationService {
     public void notifyActivationEvent(final EntityActivationEvent event) {
         for (final ActivatableEntityDAO<?> dao : this.activatableEntityDAOs) {
             if (event.activated) {
-                dao.notifyActivation(event.entity);
+                dao.notifyActivation(event.getEntity());
             } else {
-                dao.notifyDeactivation(event.entity);
+                dao.notifyDeactivation(event.getEntity());
             }
         }
     }