diff --git a/bukkit/src/main/java/net/momirealms/craftengine/bukkit/plugin/network/PacketConsumers.java b/bukkit/src/main/java/net/momirealms/craftengine/bukkit/plugin/network/PacketConsumers.java
index b443ff3bd..055f5c200 100644
--- a/bukkit/src/main/java/net/momirealms/craftengine/bukkit/plugin/network/PacketConsumers.java
+++ b/bukkit/src/main/java/net/momirealms/craftengine/bukkit/plugin/network/PacketConsumers.java
@@ -57,7 +57,8 @@ public class PacketConsumers {
 
     public static int remap(int stateId, NetWorkUser user) {
         int remapId = mappings[stateId];
-        if (user.usingClientMod() && BlockStateUtils.isVanillaBlock(remapId)) return stateId;
+        if (remapId == stateId) return stateId;
+        if (user.usingClientMod() && !BlockStateUtils.isVanillaBlock(stateId)) return stateId;
         return remapId;
     }