diff --git a/src/main/kotlin/ru/dbotthepony/mc/otm/core/Multiblock.kt b/src/main/kotlin/ru/dbotthepony/mc/otm/core/Multiblock.kt
index 3e654cb29..a69d566dc 100644
--- a/src/main/kotlin/ru/dbotthepony/mc/otm/core/Multiblock.kt
+++ b/src/main/kotlin/ru/dbotthepony/mc/otm/core/Multiblock.kt
@@ -99,13 +99,13 @@ fun interface BlockPredicate {
 
 	object Air : BlockPredicate {
 		override fun test(pos: BlockPos, access: LevelAccessor): Boolean {
-			return access.isEmptyBlock(pos)
+			return access.getBlockStateNow(pos).isAir
 		}
 	}
 
 	object NotAir : BlockPredicate {
 		override fun test(pos: BlockPos, access: LevelAccessor): Boolean {
-			return !access.isEmptyBlock(pos)
+			return !access.getBlockStateNow(pos).isAir
 		}
 	}
 }