diff --git a/sources/src/main/java/io/akarin/server/core/AkarinGlobalConfig.java b/sources/src/main/java/io/akarin/server/core/AkarinGlobalConfig.java
index b49fe11c4..1b318ce13 100644
--- a/sources/src/main/java/io/akarin/server/core/AkarinGlobalConfig.java
+++ b/sources/src/main/java/io/akarin/server/core/AkarinGlobalConfig.java
@@ -284,4 +284,9 @@ public class AkarinGlobalConfig {
     private static void disableEndPortalCreate() {
         disableEndPortalCreate = getBoolean("alternative.disable-end-portal-create", false);
     }
+    
+    public static int primaryThreadPriority;
+    private static void primaryThreadPriority() {
+        primaryThreadPriority = getInt("core.primary-thread-priority", 7);
+    }
 }
diff --git a/sources/src/main/java/io/akarin/server/mixin/core/MixinMinecraftServer.java b/sources/src/main/java/io/akarin/server/mixin/core/MixinMinecraftServer.java
index cc16000f1..49eead9db 100644
--- a/sources/src/main/java/io/akarin/server/mixin/core/MixinMinecraftServer.java
+++ b/sources/src/main/java/io/akarin/server/mixin/core/MixinMinecraftServer.java
@@ -6,7 +6,6 @@ import java.util.concurrent.FutureTask;
 import org.bukkit.craftbukkit.CraftServer;
 import org.bukkit.craftbukkit.chunkio.ChunkIOExecutor;
 import org.bukkit.event.inventory.InventoryMoveItemEvent;
-import org.spongepowered.asm.lib.Opcodes;
 import org.spongepowered.asm.mixin.Final;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.Mutable;
@@ -14,7 +13,6 @@ import org.spongepowered.asm.mixin.Overwrite;
 import org.spongepowered.asm.mixin.Shadow;
 import org.spongepowered.asm.mixin.injection.At;
 import org.spongepowered.asm.mixin.injection.Inject;
-import org.spongepowered.asm.mixin.injection.Redirect;
 import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
 
 import co.aikar.timings.MinecraftTimings;
@@ -22,8 +20,6 @@ import io.akarin.api.internal.Akari;
 import io.akarin.api.internal.mixin.IMixinLockProvider;
 import io.akarin.server.core.AkarinGlobalConfig;
 import io.akarin.server.core.AkarinSlackScheduler;
-import net.minecraft.server.Block;
-import net.minecraft.server.Blocks;
 import net.minecraft.server.CrashReport;
 import net.minecraft.server.CustomFunctionData;
 import net.minecraft.server.ITickable;
@@ -38,6 +34,8 @@ import net.minecraft.server.WorldServer;
 
 @Mixin(value = MinecraftServer.class, remap = false)
 public abstract class MixinMinecraftServer {
+    @Shadow @Final public Thread primaryThread;
+    
     @Overwrite
     public String getServerModName() {
         return "Akarin";
@@ -49,11 +47,15 @@ public abstract class MixinMinecraftServer {
             shift = At.Shift.BEFORE
     ))
     private void prerun(CallbackInfo info) {
+        primaryThread.setPriority(AkarinGlobalConfig.primaryThreadPriority < Thread.NORM_PRIORITY ? Thread.NORM_PRIORITY :
+            (AkarinGlobalConfig.primaryThreadPriority > Thread.MAX_PRIORITY ? 10 : AkarinGlobalConfig.primaryThreadPriority));
+        
         for (int i = 0; i < worlds.size(); ++i) {
             WorldServer world = worlds.get(i);
             TileEntityHopper.skipHopperEvents = world.paperConfig.disableHopperMoveEvents || InventoryMoveItemEvent.getHandlerList().getRegisteredListeners().length == 0;
         }
         AkarinSlackScheduler.boot();
+        
     }
     
     /*