diff --git a/src/main/kotlin/ru/dbotthepony/mc/otm/block/LaboratoryLamp.kt b/src/main/kotlin/ru/dbotthepony/mc/otm/block/LaboratoryLamp.kt
index 404570f87..78801d672 100644
--- a/src/main/kotlin/ru/dbotthepony/mc/otm/block/LaboratoryLamp.kt
+++ b/src/main/kotlin/ru/dbotthepony/mc/otm/block/LaboratoryLamp.kt
@@ -22,7 +22,7 @@ import ru.dbotthepony.mc.otm.core.unaryMinus
 import ru.dbotthepony.mc.otm.once
 import ru.dbotthepony.mc.otm.registry.MBlocks
 
-const val LIGHT_LENGTH = 6
+const val LIGHT_LENGTH = 3
 
 class LaboratoryLampLight : Block(Properties.of(Material.AIR).strength(-1.0F, 3600000.8F).noLootTable().noOcclusion().lightLevel { 15 }) {
 	override fun createBlockStateDefinition(builder: StateDefinition.Builder<Block, BlockState>) {