diff --git a/src/main/java/carpet/CarpetSettings.java b/src/main/java/carpet/CarpetSettings.java
index 7cf6ba66..48621d0a 100644
--- a/src/main/java/carpet/CarpetSettings.java
+++ b/src/main/java/carpet/CarpetSettings.java
@@ -769,7 +769,8 @@ public class CarpetSettings
     public static boolean renewableBlackstone = false;
 
     @Rule(
-            desc = "Lava and water generate deepslate and cobbled deepslate instead below y0",
+            desc = "Lava and water generate deepslate and cobbled deepslate instead below Y16",
+            extra = "This rule may change Y value to 0 with 1.18",
             category = FEATURE
     )
     public static boolean renewableDeepslate = false;
diff --git a/src/main/java/carpet/mixins/FluidBlock_renewableDeepslateMixin.java b/src/main/java/carpet/mixins/FluidBlock_renewableDeepslateMixin.java
index 5f588d37..2a7a3e8c 100644
--- a/src/main/java/carpet/mixins/FluidBlock_renewableDeepslateMixin.java
+++ b/src/main/java/carpet/mixins/FluidBlock_renewableDeepslateMixin.java
@@ -19,8 +19,10 @@ public abstract class FluidBlock_renewableDeepslateMixin {
     @Shadow protected abstract void playExtinguishSound(WorldAccess world, BlockPos pos);
 
     @Inject(method = "receiveNeighborFluids", at = @At(value = "INVOKE",target = "Lnet/minecraft/fluid/FluidState;isStill()Z"), cancellable = true)
-    private void receiveFluidToDeepslate(World world, BlockPos pos, BlockState state, CallbackInfoReturnable<Boolean> cir) {
-        if(CarpetSettings.renewableDeepslate && !world.getFluidState(pos).isStill() && pos.getY() < 0 && world.getRegistryKey() == World.OVERWORLD ) {
+    private void receiveFluidToDeepslate(World world, BlockPos pos, BlockState state, CallbackInfoReturnable<Boolean> cir)
+    {
+        if(CarpetSettings.renewableDeepslate && !world.getFluidState(pos).isStill() && world.getRegistryKey() == World.OVERWORLD && pos.getY() < 16)
+        {
             world.setBlockState(pos, Blocks.COBBLED_DEEPSLATE.getDefaultState());
             this.playExtinguishSound(world, pos);
             cir.setReturnValue(false);
diff --git a/src/main/java/carpet/mixins/LavaFluid_renewableDeepslateMixin.java b/src/main/java/carpet/mixins/LavaFluid_renewableDeepslateMixin.java
index 770ccf51..8d902f65 100644
--- a/src/main/java/carpet/mixins/LavaFluid_renewableDeepslateMixin.java
+++ b/src/main/java/carpet/mixins/LavaFluid_renewableDeepslateMixin.java
@@ -20,8 +20,10 @@ public abstract class LavaFluid_renewableDeepslateMixin {
     @Shadow protected abstract void playExtinguishEvent(WorldAccess world, BlockPos pos);
 
     @Inject(method = "flow", at = @At(value = "INVOKE", target = "Lnet/minecraft/block/Block;getDefaultState()Lnet/minecraft/block/BlockState;"), cancellable = true)
-    private void generateDeepslate(WorldAccess world, BlockPos pos, BlockState state, Direction direction, FluidState fluidState, CallbackInfo ci) {
-        if(CarpetSettings.renewableDeepslate && pos.getY() < 0 && ((World)world).getRegistryKey() == World.OVERWORLD) {
+    private void generateDeepslate(WorldAccess world, BlockPos pos, BlockState state, Direction direction, FluidState fluidState, CallbackInfo ci)
+    {
+        if(CarpetSettings.renewableDeepslate && ((World)world).getRegistryKey() == World.OVERWORLD && pos.getY() < 16)
+        {
             world.setBlockState(pos, Blocks.DEEPSLATE.getDefaultState(), 3);
             this.playExtinguishEvent(world, pos);
             ci.cancel();