diff --git a/src/net/torvald/terrarum/worlddrawer/BlocksDrawer.kt b/src/net/torvald/terrarum/worlddrawer/BlocksDrawer.kt
index 0e7d8ae80..37257cd05 100644
--- a/src/net/torvald/terrarum/worlddrawer/BlocksDrawer.kt
+++ b/src/net/torvald/terrarum/worlddrawer/BlocksDrawer.kt
@@ -434,7 +434,7 @@ internal object BlocksDrawer {
 
                 // hide tiles with super low lights, kinda like Minecraft's Orebfuscator
                 val lightAtXY = LightmapRenderer.getLight(x, y) ?: Cvec(0)
-                if (lightAtXY.fastLum() <= 1.5f / 255f) {
+                if (maxOf(lightAtXY.fastLum(), lightAtXY.a) <= 1.5f / 255f) {
                     tileNumber = 2 // black solid
                 }