diff --git a/SpigotCore/SpigotCore_8/src/de/steamwar/techhider/ProtocolWrapper8.java b/SpigotCore/SpigotCore_8/src/de/steamwar/techhider/ProtocolWrapper8.java
index 0f5c6b4d..78633bc1 100644
--- a/SpigotCore/SpigotCore_8/src/de/steamwar/techhider/ProtocolWrapper8.java
+++ b/SpigotCore/SpigotCore_8/src/de/steamwar/techhider/ProtocolWrapper8.java
@@ -35,7 +35,7 @@ public class ProtocolWrapper8 implements ProtocolWrapper {
     private static final Reflection.Constructor multiBlockChangeInfoConstructor = Reflection.getConstructor(multiBlockChangeInfo, TechHider.multiBlockChangePacket, short.class, TechHider.iBlockData);
     private static final Reflection.Field<?> multiBlockChangeInfoBlock = Reflection.getField(multiBlockChangeInfo, TechHider.iBlockData, 0);
     private static final Reflection.Field<?> multiBlockChangeInfoPos = Reflection.getField(multiBlockChangeInfo, short.class, 0);
-    private static final Class<?> multiBlockChangeInfoArray = Reflection.getClass("[Lnet.minecraft.PacketPlayOutMultiBlockChange$MultiBlockChangeInfo;");
+    private static final Class<?> multiBlockChangeInfoArray = Reflection.getClass("[L" + Reflection.LEGACY_NET_MINECRAFT_SERVER + ".PacketPlayOutMultiBlockChange$MultiBlockChangeInfo;");
     private static final Reflection.Field<?> multiBlockChangeInfos = Reflection.getField(TechHider.multiBlockChangePacket, multiBlockChangeInfoArray, 0);
     @Override
     public BiFunction<Player, Object, Object> multiBlockChangeGenerator(TechHider techHider) {