diff --git a/src/main/kotlin/ru/dbotthepony/mc/otm/block/entity/matter/MatterReconstructorBlockEntity.kt b/src/main/kotlin/ru/dbotthepony/mc/otm/block/entity/matter/MatterReconstructorBlockEntity.kt
index 7fcf7bcf5..c1a99e6cf 100644
--- a/src/main/kotlin/ru/dbotthepony/mc/otm/block/entity/matter/MatterReconstructorBlockEntity.kt
+++ b/src/main/kotlin/ru/dbotthepony/mc/otm/block/entity/matter/MatterReconstructorBlockEntity.kt
@@ -230,7 +230,7 @@ class MatterReconstructorBlockEntity(blockPos: BlockPos, blockState: BlockState)
 					val graph = matterNode.graph as MatterGraph?
 
 					if (graph != null) {
-						val toDrain = (matterPerTick * EXTRACT_TICKS.coerceAtMost(item.damageValue)).coerceAtLeast(Decimal.ZERO).coerceAtMost(matter.missingMatter)
+						val toDrain = (matterPerTick * EXTRACT_TICKS.coerceAtMost(item.damageValue) - matter.storedMatter).coerceAtLeast(Decimal.ZERO).coerceAtMost(matter.missingMatter)
 						matter.receiveMatterInner(graph.extractMatter(toDrain, false), false)
 					}
 				}