diff --git a/src/main/java/net/minestom/server/instance/Instance.java b/src/main/java/net/minestom/server/instance/Instance.java
index f1c1cae2c..885f34a9e 100644
--- a/src/main/java/net/minestom/server/instance/Instance.java
+++ b/src/main/java/net/minestom/server/instance/Instance.java
@@ -444,7 +444,7 @@ public abstract class Instance implements Block.Getter, Block.Setter,
      */
     public void setWorldAge(long worldAge) {
         this.worldAge = worldAge;
-        PacketUtils.sendGroupedPacket(getPlayers(), createTimePacket());
+        PacketSendingUtils.sendGroupedPacket(getPlayers(), createTimePacket());
     }
 
     /**
diff --git a/src/test/java/net/minestom/server/network/packet/ClientPluginMessagePacketTest.java b/src/test/java/net/minestom/server/network/packet/ClientPluginMessagePacketTest.java
index d017b4a42..e49e71669 100644
--- a/src/test/java/net/minestom/server/network/packet/ClientPluginMessagePacketTest.java
+++ b/src/test/java/net/minestom/server/network/packet/ClientPluginMessagePacketTest.java
@@ -4,8 +4,6 @@ import net.minestom.server.network.NetworkBuffer;
 import net.minestom.server.network.packet.client.common.ClientPluginMessagePacket;
 import org.junit.jupiter.api.Test;
 
-import java.nio.ByteBuffer;
-
 import static org.junit.jupiter.api.Assertions.assertArrayEquals;
 import static org.junit.jupiter.api.Assertions.assertEquals;
 
@@ -13,14 +11,12 @@ public class ClientPluginMessagePacketTest {
 
     @Test
     void testClientPluginMessagePacket() {
-        ByteBuffer buf = ByteBuffer.allocateDirect(1024); // The default from NetworkBuffer
-        NetworkBuffer networkBuffer = new NetworkBuffer(buf);
-        ClientPluginMessagePacket clientPluginMessagePacket = new ClientPluginMessagePacket("channel", new byte[0]);
+        var array = NetworkBuffer.makeArray(
+                ClientPluginMessagePacket.SERIALIZER,
+                new ClientPluginMessagePacket("channel", new byte[0]));
 
-        clientPluginMessagePacket.write(networkBuffer);
-        buf.limit(networkBuffer.writeIndex()); // Must set limit so that RAW_BYTES in plugin message packet has a len.
-
-        var packet = new ClientPluginMessagePacket(networkBuffer);
+        var readBuffer = NetworkBuffer.wrap(array, 0, array.length);
+        var packet = readBuffer.read(ClientPluginMessagePacket.SERIALIZER);
 
         assertEquals("channel", packet.channel());
         assertArrayEquals(new byte[0], packet.data());