diff --git a/src/main/kotlin/ru/dbotthepony/mc/otm/block/decorative/LaboratoryLamp.kt b/src/main/kotlin/ru/dbotthepony/mc/otm/block/decorative/LaboratoryLamp.kt
index b6e107560..f4dc91b9e 100644
--- a/src/main/kotlin/ru/dbotthepony/mc/otm/block/decorative/LaboratoryLamp.kt
+++ b/src/main/kotlin/ru/dbotthepony/mc/otm/block/decorative/LaboratoryLamp.kt
@@ -26,6 +26,7 @@ import ru.dbotthepony.mc.otm.core.get
 import ru.dbotthepony.mc.otm.core.math.BlockRotationFreedom
 import ru.dbotthepony.mc.otm.core.math.blockRotation
 import ru.dbotthepony.mc.otm.core.math.plus
+import ru.dbotthepony.mc.otm.core.math.unaryMinus
 import ru.dbotthepony.mc.otm.once
 import ru.dbotthepony.mc.otm.registry.MBlocks
 
@@ -186,7 +187,7 @@ class LaboratoryLamp(val invertRedstone: Boolean) : Block(Properties.of(Material
 				if (shouldBeLit) {
 					if (targetState.isAir && targetState.block != MBlocks.LABORATORY_LAMP_LIGHT) {
 						level.setBlockAndUpdate(target, MBlocks.LABORATORY_LAMP_LIGHT.defaultBlockState()
-							.setValue(FACING_FULL, facing.opposite)
+							.setValue(FACING_FULL, facing.oppositeFront)
 						)
 					}
 				} else {