diff --git a/src/main/kotlin/ru/dbotthepony/mc/otm/block/entity/tech/EssenceStorageBlockEntity.kt b/src/main/kotlin/ru/dbotthepony/mc/otm/block/entity/tech/EssenceStorageBlockEntity.kt
index 22db89523..5f21b8da5 100644
--- a/src/main/kotlin/ru/dbotthepony/mc/otm/block/entity/tech/EssenceStorageBlockEntity.kt
+++ b/src/main/kotlin/ru/dbotthepony/mc/otm/block/entity/tech/EssenceStorageBlockEntity.kt
@@ -40,6 +40,7 @@ import ru.dbotthepony.mc.otm.menu.tech.EssenceStorageMenu
 import ru.dbotthepony.mc.otm.registry.game.MBlockEntities
 import ru.dbotthepony.mc.otm.registry.game.MDataComponentTypes
 import ru.dbotthepony.mc.otm.registry.game.MFluids
+import kotlin.math.max
 
 class EssenceStorageBlockEntity(blockPos: BlockPos, blockState: BlockState) : MatteryDeviceBlockEntity(MBlockEntities.ESSENCE_STORAGE, blockPos, blockState), IFluidHandler {
 	var experienceStored = 0L
@@ -169,7 +170,7 @@ class EssenceStorageBlockEntity(blockPos: BlockPos, blockState: BlockState) : Ma
 			val capsule = capsuleContainer[0]
 
 			if (!capsule.isEmpty && capsule.has(MDataComponentTypes.EXPERIENCE)) {
-				experienceStored += capsule.get(MDataComponentTypes.EXPERIENCE)!! * capsule.count
+				experienceStored += max(capsule.get(MDataComponentTypes.EXPERIENCE)!! * capsule.count, 0L)
 				capsuleContainer.clearContent()
 			}