diff --git a/worldedit-bukkit/src/main/java/com/sk89q/worldedit/bukkit/BukkitAdapter.java b/worldedit-bukkit/src/main/java/com/sk89q/worldedit/bukkit/BukkitAdapter.java
index 0a28dd3ca1..4e53ff7606 100644
--- a/worldedit-bukkit/src/main/java/com/sk89q/worldedit/bukkit/BukkitAdapter.java
+++ b/worldedit-bukkit/src/main/java/com/sk89q/worldedit/bukkit/BukkitAdapter.java
@@ -335,7 +335,7 @@ public static Entity adapt(org.bukkit.entity.Entity entity) {
      */
     public static Material adapt(ItemType itemType) {
         checkNotNull(itemType);
-        var key = checkNotNull(NamespacedKey.fromString(itemType.id()), "Item type key is invalid");
+        NamespacedKey key = checkNotNull(NamespacedKey.fromString(itemType.id()), "Item type key is invalid");
         return Registry.MATERIAL.get(key);
     }
 
@@ -347,7 +347,7 @@ public static Material adapt(ItemType itemType) {
      */
     public static Material adapt(BlockType blockType) {
         checkNotNull(blockType);
-        var key = checkNotNull(NamespacedKey.fromString(blockType.id()), "Item type key is invalid");
+        NamespacedKey key = checkNotNull(NamespacedKey.fromString(blockType.id()), "Block type key is invalid");
         return Registry.MATERIAL.get(key);
     }