diff --git a/eco-core/core-nms/v1_20_R3/src/main/kotlin/com/willfp/ecoenchants/proxy/v1_20_R3/ModernEnchantmentRegisterer.kt b/eco-core/core-nms/v1_20_R3/src/main/kotlin/com/willfp/ecoenchants/proxy/v1_20_R3/ModernEnchantmentRegisterer.kt
index 97587dba..11d38bbb 100644
--- a/eco-core/core-nms/v1_20_R3/src/main/kotlin/com/willfp/ecoenchants/proxy/v1_20_R3/ModernEnchantmentRegisterer.kt
+++ b/eco-core/core-nms/v1_20_R3/src/main/kotlin/com/willfp/ecoenchants/proxy/v1_20_R3/ModernEnchantmentRegisterer.kt
@@ -77,7 +77,11 @@ class ModernEnchantmentRegisterer : ModernEnchantmentRegistererProxy {
 
         // Unfreeze NMS registry
         frozenField.set(BuiltInRegistries.ENCHANTMENT, false)
-        unregisteredIntrusiveHoldersField.set(BuiltInRegistries.ENCHANTMENT, IdentityHashMap<Enchantment, Holder.Reference<Enchantment>>())
+        unregisteredIntrusiveHoldersField.set(
+            BuiltInRegistries.ENCHANTMENT,
+            IdentityHashMap<net.minecraft.world.item.enchantment.Enchantment,
+                    Holder.Reference<net.minecraft.world.item.enchantment.Enchantment>>()
+        )
     }
 
     override fun register(enchant: EcoEnchantBase): Enchantment {