diff --git a/worldedit-bukkit/adapters/adapter-1_20/src/main/java/com/sk89q/worldedit/bukkit/adapter/ext/fawe/v1_20_R1/PaperweightAdapter.java b/worldedit-bukkit/adapters/adapter-1_20/src/main/java/com/sk89q/worldedit/bukkit/adapter/ext/fawe/v1_20_R1/PaperweightAdapter.java
index f39fe98f4..e495a078c 100644
--- a/worldedit-bukkit/adapters/adapter-1_20/src/main/java/com/sk89q/worldedit/bukkit/adapter/ext/fawe/v1_20_R1/PaperweightAdapter.java
+++ b/worldedit-bukkit/adapters/adapter-1_20/src/main/java/com/sk89q/worldedit/bukkit/adapter/ext/fawe/v1_20_R1/PaperweightAdapter.java
@@ -182,8 +182,8 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
         CraftServer.class.cast(Bukkit.getServer());
 
         int dataVersion = CraftMagicNumbers.INSTANCE.getDataVersion();
-        if (dataVersion != 3463) {
-            throw new UnsupportedClassVersionError("Not 1.20!");
+        if (dataVersion != 3463 && dataVersion != 3465) {
+            throw new UnsupportedClassVersionError("Not 1.20(.1)!");
         }
 
         serverWorldsField = CraftServer.class.getDeclaredField("worlds");