diff --git a/src/main/kotlin/ru/dbotthepony/mc/otm/item/MatterDustItem.kt b/src/main/kotlin/ru/dbotthepony/mc/otm/item/MatterDustItem.kt
index da8f40f3e..87cb9b192 100644
--- a/src/main/kotlin/ru/dbotthepony/mc/otm/item/MatterDustItem.kt
+++ b/src/main/kotlin/ru/dbotthepony/mc/otm/item/MatterDustItem.kt
@@ -2,6 +2,10 @@ package ru.dbotthepony.mc.otm.item
 
 import net.minecraft.ChatFormatting
 import net.minecraft.network.chat.Component
+import net.minecraft.world.entity.SlotAccess
+import net.minecraft.world.entity.player.Player
+import net.minecraft.world.inventory.ClickAction
+import net.minecraft.world.inventory.Slot
 import net.minecraft.world.item.Item
 import net.minecraft.world.item.ItemStack
 import net.minecraft.world.item.TooltipFlag
@@ -73,6 +77,71 @@ class MatterDustItem : Item(Properties().stacksTo(64)), IMatterItem {
 		return matter(stack) >= ItemsConfig.MATTER_DUST_CAPACITY
 	}
 
+	override fun overrideStackedOnOther(
+		pStack: ItemStack,
+		pSlot: Slot,
+		pAction: ClickAction,
+		pPlayer: Player
+	): Boolean {
+		if (pStack.isEmpty || pStack.count > 1)
+			return super.overrideStackedOnOther(pStack, pSlot, pAction, pPlayer)
+
+		if (pAction == ClickAction.SECONDARY && pSlot.allowModification(pPlayer)) {
+			val matterHalf = getMatterValue(pStack)?.matter?.div(2) ?: return true
+
+			if (!pSlot.hasItem()) {
+				val halfStack = pStack.copyWithCount(1)
+
+				matter(halfStack, -addMatterValue(pStack, -matterHalf, pPlayer.level.isClientSide()))
+
+				pSlot.set(halfStack)
+
+				return true
+			}
+		}
+
+		return super.overrideStackedOnOther(pStack, pSlot, pAction, pPlayer)
+	}
+
+	override fun overrideOtherStackedOnMe(
+		pStack: ItemStack,
+		pOther: ItemStack,
+		pSlot: Slot,
+		pAction: ClickAction,
+		pPlayer: Player,
+		pAccess: SlotAccess
+	): Boolean {
+		if (pStack.isEmpty || pStack.count > 1)
+			return super.overrideStackedOnOther(pStack, pSlot, pAction, pPlayer)
+
+		if (pAction == ClickAction.SECONDARY && pSlot.allowModification(pPlayer)) {
+			val matterHalf = getMatterValue(pStack)?.matter?.div(2) ?: return true
+
+			if (pOther.isEmpty) {
+				val halfStack = pStack.copyWithCount(1)
+
+				matter(halfStack, -addMatterValue(pStack, -matterHalf, pPlayer.level.isClientSide()))
+
+				pAccess.set(halfStack)
+
+				return true
+			} else if (pOther.item is MatterDustItem && pOther.count == 1) {
+				val matterOther = getMatterValue(pOther)?.matter ?: return true
+				val diff = addMatterValue(pStack, matterOther, pPlayer.level.isClientSide())
+
+				if (matterOther - diff <= Decimal.ZERO) {
+					pOther.shrink(1)
+				} else {
+					matter(pStack, matterOther - diff)
+				}
+
+				return true
+			}
+		}
+
+		return super.overrideOtherStackedOnMe(pStack, pOther, pSlot, pAction, pPlayer, pAccess)
+	}
+
 	companion object {
 		private val DESC = TranslatableComponent("item.overdrive_that_matters.matter_dust.desc").withStyle(ChatFormatting.DARK_GRAY)
 		private val DESC2 = TranslatableComponent("item.overdrive_that_matters.matter_dust.desc2").withStyle(ChatFormatting.GRAY)