diff --git a/sources/src/main/java/io/akarin/server/mixin/lighting/MixinChunk.java b/sources/src/main/java/io/akarin/server/mixin/lighting/MixinChunk.java
index b2d682a85..14d4c5f93 100644
--- a/sources/src/main/java/io/akarin/server/mixin/lighting/MixinChunk.java
+++ b/sources/src/main/java/io/akarin/server/mixin/lighting/MixinChunk.java
@@ -245,7 +245,7 @@ public abstract class MixinChunk implements IMixinChunk {
             return;
         }
         
-        if (Akari.isPrimaryThread(false)) {
+        if (Akari.isPrimaryThread()) {
             try {
                 lightExecutorService.execute(() -> {
                     this.checkLightAsync(neighborChunks);
diff --git a/sources/src/main/java/io/akarin/server/mixin/lighting/MixinWorld.java b/sources/src/main/java/io/akarin/server/mixin/lighting/MixinWorld.java
index 8d926e016..8beb7bef3 100644
--- a/sources/src/main/java/io/akarin/server/mixin/lighting/MixinWorld.java
+++ b/sources/src/main/java/io/akarin/server/mixin/lighting/MixinWorld.java
@@ -34,7 +34,7 @@ import net.minecraft.server.IChunkProvider;
 import net.minecraft.server.MinecraftServer;
 import net.minecraft.server.World;
 
-@Mixin(value = World.class, remap = false, priority = 1001)
+@Mixin(value = World.class, remap = false, priority = 1002)
 public abstract class MixinWorld {
     @Shadow protected IChunkProvider chunkProvider;
     @Shadow int[] J; // PAIL: lightUpdateBlockList
diff --git a/sources/src/main/java/io/akarin/server/mixin/lighting/MixinWorldServer.java b/sources/src/main/java/io/akarin/server/mixin/lighting/MixinWorldServer.java
index c7bd84e49..3bb072c72 100644
--- a/sources/src/main/java/io/akarin/server/mixin/lighting/MixinWorldServer.java
+++ b/sources/src/main/java/io/akarin/server/mixin/lighting/MixinWorldServer.java
@@ -47,7 +47,7 @@ import net.minecraft.server.MathHelper;
 import net.minecraft.server.WorldServer;
 import net.minecraft.server.BlockPosition.PooledBlockPosition;
 
-@Mixin(value = WorldServer.class, remap = false)
+@Mixin(value = WorldServer.class, remap = false, priority = 1002)
 public abstract class MixinWorldServer extends MixinWorld implements IMixinWorldServer {
     
     private static final int NUM_XZ_BITS = 4;
diff --git a/sources/src/main/java/io/akarin/server/mixin/realtime/MixinWorld.java b/sources/src/main/java/io/akarin/server/mixin/realtime/MixinWorld.java
index 9905faecf..d614f77a4 100644
--- a/sources/src/main/java/io/akarin/server/mixin/realtime/MixinWorld.java
+++ b/sources/src/main/java/io/akarin/server/mixin/realtime/MixinWorld.java
@@ -32,7 +32,7 @@ import io.akarin.api.internal.mixin.IMixinRealTimeTicking;
 import net.minecraft.server.MinecraftServer;
 import net.minecraft.server.World;
 
-@Mixin(value = World.class, remap = false, priority = 1002)
+@Mixin(value = World.class, remap = false, priority = 1001)
 public abstract class MixinWorld implements IMixinRealTimeTicking {
     @Shadow @Nullable public abstract MinecraftServer getMinecraftServer();