diff --git a/core/src/main/java/org/geysermc/geyser/item/Items.java b/core/src/main/java/org/geysermc/geyser/item/Items.java
index 68c7cf786..e0e9a256b 100644
--- a/core/src/main/java/org/geysermc/geyser/item/Items.java
+++ b/core/src/main/java/org/geysermc/geyser/item/Items.java
@@ -29,6 +29,8 @@ import org.geysermc.geyser.item.components.ToolTier;
 import org.geysermc.geyser.item.type.*;
 import org.geysermc.geyser.registry.Registries;
 
+import java.util.Collections;
+
 import static org.geysermc.geyser.item.type.Item.builder;
 
 /**
@@ -1271,7 +1273,11 @@ public final class Items {
 
     public static <T extends Item> T register(T item, int id) {
         item.setJavaId(id);
-        Registries.JAVA_ITEMS.get().add(item);
+        // This makes sure that the array is large enough to put the java item at the correct location
+        if (Registries.JAVA_ITEMS.get().size() <= id) {
+            Registries.JAVA_ITEMS.get().addAll(Collections.nCopies(id - Registries.JAVA_ITEMS.get().size() + 1, AIR));
+        }
+        Registries.JAVA_ITEMS.get().set(id, item);
         Registries.JAVA_ITEM_IDENTIFIERS.register(item.javaIdentifier(), item);
         return item;
     }