diff --git a/src/main/java/org/mvplugins/multiverse/core/MultiverseCoreApi.java b/src/main/java/org/mvplugins/multiverse/core/MultiverseCoreApi.java
index b185613ce..91f966844 100644
--- a/src/main/java/org/mvplugins/multiverse/core/MultiverseCoreApi.java
+++ b/src/main/java/org/mvplugins/multiverse/core/MultiverseCoreApi.java
@@ -24,7 +24,7 @@
 /**
  * Provides access to the MultiverseCore API.
  */
-public class MultiverseCoreApi {
+public final class MultiverseCoreApi {
 
     private static MultiverseCoreApi instance;
     private static final List<Consumer<MultiverseCoreApi>> whenLoadedCallbacks = new ArrayList<>();