diff --git a/Blueberry-API/src/main/java/net/blueberrymc/common/Blueberry.java b/Blueberry-API/src/main/java/net/blueberrymc/common/Blueberry.java
index 868b95bc..fb3c803e 100644
--- a/Blueberry-API/src/main/java/net/blueberrymc/common/Blueberry.java
+++ b/Blueberry-API/src/main/java/net/blueberrymc/common/Blueberry.java
@@ -207,6 +207,7 @@ public static void bootstrap(@Nullable BlueberryUtil utilImpl) {
         Runtime.getRuntime().addShutdownHook(new BlueberryShutdownHookThread());
         if (isClient()) {
             util = safeGetOnClient(() -> new SafeExecutor<>() {
+                @NotNull
                 @Override
                 public BlueberryUtil execute() {
                     return new BlueberryClient((BlueberryClient) utilImpl);