diff --git a/sakura-server/minecraft-patches/sources/net/minecraft/world/level/block/piston/PistonBaseBlock.java.patch b/sakura-server/minecraft-patches/sources/net/minecraft/world/level/block/piston/PistonBaseBlock.java.patch
index f67b3a4..be1773c 100644
--- a/sakura-server/minecraft-patches/sources/net/minecraft/world/level/block/piston/PistonBaseBlock.java.patch
+++ b/sakura-server/minecraft-patches/sources/net/minecraft/world/level/block/piston/PistonBaseBlock.java.patch
@@ -5,7 +5,7 @@
                  // Paper start - fix a variety of piston desync dupes
                  boolean allowDesync = io.papermc.paper.configuration.GlobalConfiguration.get().unsupportedSettings.allowPistonDuplication;
 +                // Sakura start - configure tnt duplication
-+                if (level.sakuraConfig().technical.allowTNTDuplication) {
++                if (level.sakuraConfig().technical.allowTntDuplication) {
 +                    final BlockState movedState = list.get(i1);
 +                    if (movedState.is(Blocks.TNT) || movedState.getBlock() instanceof net.minecraft.world.level.block.BaseCoralPlantTypeBlock) {
 +                        allowDesync = true;
diff --git a/sakura-server/src/main/java/me/samsuik/sakura/configuration/WorldConfiguration.java b/sakura-server/src/main/java/me/samsuik/sakura/configuration/WorldConfiguration.java
index 194276d..fbe346c 100644
--- a/sakura-server/src/main/java/me/samsuik/sakura/configuration/WorldConfiguration.java
+++ b/sakura-server/src/main/java/me/samsuik/sakura/configuration/WorldConfiguration.java
@@ -29,7 +29,7 @@ import java.util.Map;
 public final class WorldConfiguration extends ConfigurationPart {
 
     private static final Logger LOGGER = LogUtils.getClassLogger();
-    static final int CURRENT_VERSION = 6; // (when you change the version, change the comment, so it conflicts on rebases): rename filter bad nbt from spawn eggs
+    static final int CURRENT_VERSION = 7; // (when you change the version, change the comment, so it conflicts on rebases): rename filter bad nbt from spawn eggs
 
     private transient final ResourceLocation worldKey;
     WorldConfiguration(ResourceLocation worldKey) {
@@ -133,7 +133,7 @@ public final class WorldConfiguration extends ConfigurationPart {
             "Allow TNT duplication while `allow-piston-duplication` is disabled.\n" +
             "This exists so servers can enable TNT duplication without reintroducing the other forms of piston duplication."
         )
-        public boolean allowTNTDuplication = false;
+        public boolean allowTntDuplication = false;
     }
 
     public Players players;
diff --git a/sakura-server/src/main/java/me/samsuik/sakura/configuration/transformation/ConfigurationTransformations.java b/sakura-server/src/main/java/me/samsuik/sakura/configuration/transformation/ConfigurationTransformations.java
index 154ab96..41c6c60 100644
--- a/sakura-server/src/main/java/me/samsuik/sakura/configuration/transformation/ConfigurationTransformations.java
+++ b/sakura-server/src/main/java/me/samsuik/sakura/configuration/transformation/ConfigurationTransformations.java
@@ -24,6 +24,7 @@ public final class ConfigurationTransformations {
         V4_RenameNonStrictMergeLevel.apply(versionedBuilder);
         V5_CombineLoadChunksOptions.apply(versionedBuilder);
         V6_FixIncorrectExtraKnockback.apply(versionedBuilder);
+        V7_FixTntDuplicationName.apply(versionedBuilder);
         // ADD FUTURE VERSIONED TRANSFORMS TO versionedBuilder HERE
         versionedBuilder.build().apply(node);
     }
diff --git a/sakura-server/src/main/java/me/samsuik/sakura/configuration/transformation/world/V7_FixTntDuplicationName.java b/sakura-server/src/main/java/me/samsuik/sakura/configuration/transformation/world/V7_FixTntDuplicationName.java
new file mode 100644
index 0000000..8f9f296
--- /dev/null
+++ b/sakura-server/src/main/java/me/samsuik/sakura/configuration/transformation/world/V7_FixTntDuplicationName.java
@@ -0,0 +1,15 @@
+package me.samsuik.sakura.configuration.transformation.world;
+
+import org.spongepowered.configurate.NodePath;
+import org.spongepowered.configurate.transformation.ConfigurationTransformation;
+import org.spongepowered.configurate.transformation.TransformAction;
+
+public final class V7_FixTntDuplicationName {
+    private static final int VERSION = 7;
+    private static final NodePath OLD_PATH = NodePath.path("technical", "allow-t-n-t-duplication");
+    private static final String NEW_NAME = "allow-tnt-duplication";
+
+    public static void apply(ConfigurationTransformation.VersionedBuilder builder) {
+        builder.addVersion(VERSION, ConfigurationTransformation.builder().addAction(OLD_PATH, TransformAction.rename(NEW_NAME)).build());
+    }
+}