diff --git a/examples/providers/event-store-mem/src/main/java/org/keycloak/examples/providers/events/MemEventStoreProviderFactory.java b/examples/providers/event-store-mem/src/main/java/org/keycloak/examples/providers/events/MemEventStoreProviderFactory.java
index d09b1a3..f08d31a 100755
--- a/examples/providers/event-store-mem/src/main/java/org/keycloak/examples/providers/events/MemEventStoreProviderFactory.java
+++ b/examples/providers/event-store-mem/src/main/java/org/keycloak/examples/providers/events/MemEventStoreProviderFactory.java
@@ -34,6 +34,7 @@ public class MemEventStoreProviderFactory implements EventStoreProviderFactory {
@Override
public void init(Config.Scope config) {
events = Collections.synchronizedList(new LinkedList<Event>());
+ adminEvents = Collections.synchronizedList(new LinkedList<AdminEvent>());
String excludes = config.get("excludes");
if (excludes != null) {