diff --git a/sources/src/main/java/io/akarin/server/core/AkarinGlobalConfig.java b/sources/src/main/java/io/akarin/server/core/AkarinGlobalConfig.java
index 4bf7665eb..86ddae972 100644
--- a/sources/src/main/java/io/akarin/server/core/AkarinGlobalConfig.java
+++ b/sources/src/main/java/io/akarin/server/core/AkarinGlobalConfig.java
@@ -274,4 +274,9 @@ public class AkarinGlobalConfig {
     private static void versionUpdateInterval() {
         versionUpdateInterval = getSeconds(getString("alternative.version-update-interval", "3600s")) * 1000; // 1 hour
     }
+    
+    public static boolean sendLightOnlyChunkSection;
+    private static void sendLightOnlyChunkSection() {
+        sendLightOnlyChunkSection = getBoolean("core.send-light-only-chunk-sections", true);
+    }
 }
diff --git a/sources/src/main/java/io/akarin/server/mixin/core/MixinChunkSection.java b/sources/src/main/java/io/akarin/server/mixin/core/MixinChunkSection.java
new file mode 100644
index 000000000..3a10e0fbc
--- /dev/null
+++ b/sources/src/main/java/io/akarin/server/mixin/core/MixinChunkSection.java
@@ -0,0 +1,18 @@
+package io.akarin.server.mixin.core;
+
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Overwrite;
+import org.spongepowered.asm.mixin.Shadow;
+
+import io.akarin.server.core.AkarinGlobalConfig;
+import net.minecraft.server.ChunkSection;
+
+@Mixin(value = ChunkSection.class, remap = false)
+public abstract class MixinChunkSection {
+    @Shadow private int nonEmptyBlockCount;
+    
+    @Overwrite // PAIL: isEmpty
+    public boolean a() {
+        return AkarinGlobalConfig.sendLightOnlyChunkSection ? false : nonEmptyBlockCount == 0;
+    }
+}