diff --git a/src/main/kotlin/no/iktdev/eventi/models/Event.kt b/src/main/kotlin/no/iktdev/eventi/models/Event.kt
index 3d52dcf..e88ca05 100644
--- a/src/main/kotlin/no/iktdev/eventi/models/Event.kt
+++ b/src/main/kotlin/no/iktdev/eventi/models/Event.kt
@@ -39,9 +39,10 @@ inline fun <reified T> Event.requireAs(): T {
     return this as? T ?: throw IllegalArgumentException("Expected ${T::class.java.name}, got ${this::class.java.name}")
 }
 
-abstract class DeleteEvent: Event() {
-    open lateinit var deletedEventId: UUID
-}
+abstract class DeleteEvent(
+    open val deletedEventId: UUID
+) : Event()
+