diff --git a/src/main/kotlin/ru/dbotthepony/mc/otm/block/entity/blackhole/BlackHoleGeneratorBlockEntity.kt b/src/main/kotlin/ru/dbotthepony/mc/otm/block/entity/blackhole/BlackHoleGeneratorBlockEntity.kt
index 5068bc539..c9528e519 100644
--- a/src/main/kotlin/ru/dbotthepony/mc/otm/block/entity/blackhole/BlackHoleGeneratorBlockEntity.kt
+++ b/src/main/kotlin/ru/dbotthepony/mc/otm/block/entity/blackhole/BlackHoleGeneratorBlockEntity.kt
@@ -169,7 +169,7 @@ class BlackHoleGeneratorBlockEntity(blockPos: BlockPos, blockState: BlockState)
 		val multiblock = multiblock
 
 		if (multiblock != null) {
-			if (!multiblock.update(level, blockRotation.front)) {
+			if (!multiblock.update(level, blockRotation.back)) {
 				this.lastRange = findBlackHoleRange()
 			} else {
 				val blackHole = multiblock.blockEntities(BLACK_HOLE).firstOrNull() ?: return