diff --git a/src/main/java/de/bixilon/minosoft/data/world/chunk/Chunk.kt b/src/main/java/de/bixilon/minosoft/data/world/chunk/Chunk.kt
index 74cea25a4..c01d46cb9 100644
--- a/src/main/java/de/bixilon/minosoft/data/world/chunk/Chunk.kt
+++ b/src/main/java/de/bixilon/minosoft/data/world/chunk/Chunk.kt
@@ -17,6 +17,7 @@ import de.bixilon.kotlinglm.vec3.Vec3i
 import de.bixilon.kutil.cast.CastUtil.unsafeCast
 import de.bixilon.kutil.exception.Broken
 import de.bixilon.minosoft.config.StaticConfiguration
+import de.bixilon.minosoft.data.direction.Directions
 import de.bixilon.minosoft.data.entities.block.BlockEntity
 import de.bixilon.minosoft.data.registries.biomes.Biome
 import de.bixilon.minosoft.data.registries.blocks.BlockState
@@ -117,6 +118,17 @@ class Chunk(
 
         connection.fireEvent(LightChangeEvent(connection, EventInitiators.CLIENT, chunkPosition, this, sectionHeight, true))
 
+        val down = section.neighbours?.get(Directions.O_DOWN)?.light
+        if (down != null && down.update) {
+            down.update = false
+            connection.fireEvent(LightChangeEvent(connection, EventInitiators.CLIENT, chunkPosition, this, sectionHeight - 1, false))
+        }
+        val up = section.neighbours?.get(Directions.O_UP)?.light
+        if (up?.update == true) {
+            up.update = false
+            connection.fireEvent(LightChangeEvent(connection, EventInitiators.CLIENT, chunkPosition, this, sectionHeight + 1, false))
+        }
+
 
         var neighbourIndex = 0
         for (chunkX in -1..1) {