diff --git a/src/main/java/eu/midnightdust/motschen/rocks/util/polymer/PolyUtil.java b/src/main/java/eu/midnightdust/motschen/rocks/util/polymer/PolyUtil.java
index 5c40fc3..0fe0937 100644
--- a/src/main/java/eu/midnightdust/motschen/rocks/util/polymer/PolyUtil.java
+++ b/src/main/java/eu/midnightdust/motschen/rocks/util/polymer/PolyUtil.java
@@ -9,12 +9,12 @@ import eu.midnightdust.motschen.rocks.block.polymer.model.*;
 import eu.midnightdust.motschen.rocks.item.polymer.StarfishItemPolymer;
 import eu.midnightdust.motschen.rocks.util.RockType;
 import eu.pb4.factorytools.api.item.FactoryBlockItem;
-import eu.pb4.factorytools.api.item.ModeledItem;
 import eu.pb4.polymer.blocks.api.BlockModelType;
 import eu.pb4.polymer.blocks.api.PolymerBlockResourceUtils;
 import eu.pb4.polymer.core.api.block.PolymerBlock;
 import eu.pb4.polymer.core.api.block.PolymerBlockUtils;
 import eu.pb4.polymer.core.api.item.PolymerItemGroupUtils;
+import eu.pb4.polymer.core.api.item.SimplePolymerItem;
 import eu.pb4.polymer.core.api.utils.PolymerSyncUtils;
 import eu.pb4.polymer.resourcepack.api.PolymerResourcePackUtils;
 import eu.pb4.polymer.resourcepack.extras.api.ResourcePackExtras;
@@ -28,6 +28,8 @@ import net.minecraft.block.entity.BlockEntityType;
 import net.minecraft.item.Item;
 import net.minecraft.item.ItemStack;
 import net.minecraft.item.Items;
+import net.minecraft.registry.RegistryKey;
+import net.minecraft.registry.RegistryKeys;
 import net.minecraft.server.network.ServerPlayerEntity;
 import net.minecraft.text.Text;
 import net.minecraft.util.Identifier;
@@ -76,7 +78,7 @@ public class PolyUtil {
     }
 
     public static Item simplePolymerItem(Identifier id) {
-        return new ModeledItem(Items.FLINT, new Item.Settings());
+        return new SimplePolymerItem(new Item.Settings().registryKey(RegistryKey.of(RegistryKeys.ITEM, id)), Items.FLINT, true);
     }
 
     public static void registerPolymerGroup() {