diff --git a/src/main/java/ru/dbotthepony/mc/otm/mixin/MixinLivingEntity.java b/src/main/java/ru/dbotthepony/mc/otm/mixin/MixinLivingEntity.java
index 5ddfd3c17..23a6aafc4 100644
--- a/src/main/java/ru/dbotthepony/mc/otm/mixin/MixinLivingEntity.java
+++ b/src/main/java/ru/dbotthepony/mc/otm/mixin/MixinLivingEntity.java
@@ -3,6 +3,7 @@ package ru.dbotthepony.mc.otm.mixin;
 import net.minecraft.world.entity.Entity;
 import net.minecraft.world.entity.LivingEntity;
 import net.minecraft.world.entity.player.Player;
+import net.minecraft.world.level.GameRules;
 import net.neoforged.neoforge.event.EventHooks;
 import org.jetbrains.annotations.Nullable;
 import org.spongepowered.asm.mixin.Mixin;
@@ -28,7 +29,7 @@ public class MixinLivingEntity {
 		at = @At("HEAD"),
 		cancellable = true)
 	public void dropExperience(@Nullable Entity killer, CallbackInfo hook) {
-		if (((Object) this) instanceof Player player && ServerConfig.INSTANCE.getDROP_EXPERIENCE_CAPSULES()) {
+		if (((Object) this) instanceof Player player && ServerConfig.INSTANCE.getDROP_EXPERIENCE_CAPSULES() && !player.level().getGameRules().getBoolean(GameRules.RULE_KEEPINVENTORY)) {
 			hook.cancel();
 
 			var android = ((IMatteryPlayer) player).getOtmPlayer();
diff --git a/src/main/kotlin/ru/dbotthepony/mc/otm/block/entity/matter/MatterDecomposerBlockEntity.kt b/src/main/kotlin/ru/dbotthepony/mc/otm/block/entity/matter/MatterDecomposerBlockEntity.kt
index 8ed8a703e..c4d753c96 100644
--- a/src/main/kotlin/ru/dbotthepony/mc/otm/block/entity/matter/MatterDecomposerBlockEntity.kt
+++ b/src/main/kotlin/ru/dbotthepony/mc/otm/block/entity/matter/MatterDecomposerBlockEntity.kt
@@ -106,10 +106,15 @@ class MatterDecomposerBlockEntity(pos: BlockPos, state: BlockState)
 			if (!status.job.matterValue.isZero)
 				status.throttleFast()
 		} else {
-			status.job.matterValue -= matter.receiveMatter(status.job.matterValue, false)
+			val received = matter.receiveMatter(status.job.matterValue, false)
+			status.job.matterValue -= received
 
-			if (status.job.matterValue.isPositive)
-				status.noMatter()
+			if (status.job.matterValue.isPositive) {
+				if (received.isPositive)
+					status.noMatter(1)
+				else
+					status.noMatter()
+			}
 		}
 	}
 
diff --git a/src/main/kotlin/ru/dbotthepony/mc/otm/entity/SpawnModifiers.kt b/src/main/kotlin/ru/dbotthepony/mc/otm/entity/SpawnModifiers.kt
index d7d1bb5d4..c40ff4f28 100644
--- a/src/main/kotlin/ru/dbotthepony/mc/otm/entity/SpawnModifiers.kt
+++ b/src/main/kotlin/ru/dbotthepony/mc/otm/entity/SpawnModifiers.kt
@@ -17,8 +17,8 @@ object WitheredSkeletonSpawnHandler {
 		val entity = event.entity
 
 		if (entity is WitherSkeleton) {
-			val giveHelmet = event.level.otmRandom.nextFloat() < ServerConfig.WITHER_SKELETON_HELMET_CHANCE
-			val giveSword = event.level.otmRandom.nextFloat() < ServerConfig.WITHER_SKELETON_SWORD_CHANCE
+			val giveHelmet = event.level.otmRandom.nextDouble() < ServerConfig.WITHER_SKELETON_HELMET_CHANCE
+			val giveSword = event.level.otmRandom.nextDouble() < ServerConfig.WITHER_SKELETON_SWORD_CHANCE
 
 			if (giveHelmet) {
 				if (!entity.hasItemInSlot(EquipmentSlot.HEAD))
diff --git a/src/main/kotlin/ru/dbotthepony/mc/otm/player/MatteryFoodData.kt b/src/main/kotlin/ru/dbotthepony/mc/otm/player/MatteryFoodData.kt
index 62b9a8e82..9f442d2df 100644
--- a/src/main/kotlin/ru/dbotthepony/mc/otm/player/MatteryFoodData.kt
+++ b/src/main/kotlin/ru/dbotthepony/mc/otm/player/MatteryFoodData.kt
@@ -79,7 +79,7 @@ class MatteryFoodData(private var player: Player) : FoodData() {
 			if (saturationLevel > 0f) {
 				val satisfied = min(saturationLevel.roundToInt(), points)
 				points -= satisfied
-				saturationLevel -= satisfied
+				saturationLevel = max(0f, saturationLevel - satisfied)
 			}
 
 			foodLevel = max(0, foodLevel - points)