diff --git a/bukkit/src/main/java/net/william278/husksync/util/BukkitLegacyConverter.java b/bukkit/src/main/java/net/william278/husksync/util/BukkitLegacyConverter.java
index 29feb1cc..5eae1f3a 100644
--- a/bukkit/src/main/java/net/william278/husksync/util/BukkitLegacyConverter.java
+++ b/bukkit/src/main/java/net/william278/husksync/util/BukkitLegacyConverter.java
@@ -53,9 +53,9 @@ public class BukkitLegacyConverter extends LegacyConverter {
         super(plugin);
     }
 
-    @NotNull
     @Override
-    public DataSnapshot.Packed convert(byte[] data, @NotNull UUID id,
+    @NotNull
+    public DataSnapshot.Packed convert(byte @NotNull [] data, @NotNull UUID id,
                                        @NotNull OffsetDateTime timestamp) throws DataAdapter.AdaptionException {
         final JSONObject object = new JSONObject(plugin.getDataAdapter().bytesToString(data));
         final int version = object.getInt("format_version");
diff --git a/common/src/main/java/net/william278/husksync/util/LegacyConverter.java b/common/src/main/java/net/william278/husksync/util/LegacyConverter.java
index eb4e895b..715bbd95 100644
--- a/common/src/main/java/net/william278/husksync/util/LegacyConverter.java
+++ b/common/src/main/java/net/william278/husksync/util/LegacyConverter.java
@@ -36,7 +36,7 @@ public abstract class LegacyConverter {
     }
 
     @NotNull
-    public abstract DataSnapshot.Packed convert(@NotNull byte[] data, @NotNull UUID id,
+    public abstract DataSnapshot.Packed convert(byte @NotNull [] data, @NotNull UUID id,
                                                 @NotNull OffsetDateTime timestamp) throws DataAdapter.AdaptionException;
 
 }