diff --git a/src/main/java/io/github/thebusybiscuit/slimefun4/api/events/SlimefunItemSpawnEvent.java b/src/main/java/io/github/thebusybiscuit/slimefun4/api/events/SlimefunItemSpawnEvent.java
index 07d284050d..95b5fadf6f 100644
--- a/src/main/java/io/github/thebusybiscuit/slimefun4/api/events/SlimefunItemSpawnEvent.java
+++ b/src/main/java/io/github/thebusybiscuit/slimefun4/api/events/SlimefunItemSpawnEvent.java
@@ -54,7 +54,7 @@ public SlimefunItemSpawnEvent(Location location, ItemStack itemStack, ItemSpawnR
      *
      * @return The player responsible if applicable.
      */
-    public Optional<Player> getPlayer() {
+    public @Nonnull Optional<Player> getPlayer() {
         return Optional.ofNullable(player);
     }