diff --git a/patches/server/Rewrite-the-light-engine.patch b/patches/server/Rewrite-the-light-engine.patch
index ff1e0afb51..50580f49b4 100644
--- a/patches/server/Rewrite-the-light-engine.patch
+++ b/patches/server/Rewrite-the-light-engine.patch
@@ -1757,7 +1757,8 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +
 +            final int chunkX = (index % 5) - this.chunkOffsetX;
 +            final int chunkZ = ((index / 5) % 5) - this.chunkOffsetZ;
-+            final int chunkY = ((index / (5*5)) % (16 + 2 + 2)) - this.chunkOffsetY;
++            final int ySections = (this.maxSection - this.minSection) + 1;
++            final int chunkY = ((index / (5*5)) % (ySections + 2 + 2)) - this.chunkOffsetY;
 +            if ((nibble != null && nibble.updateVisible()) || this.notifyUpdateCache[index]) {
 +                lightAccess.onLightUpdate(this.skylightPropagator ? LightLayer.SKY : LightLayer.BLOCK, SectionPos.of(chunkX, chunkY, chunkZ));
 +            }