diff --git a/src/main/java/ch/spacebase/mcprotocol/standard/packet/PacketBlockAction.java b/src/main/java/ch/spacebase/mcprotocol/standard/packet/PacketBlockAction.java
index d21203b3..ae61d186 100644
--- a/src/main/java/ch/spacebase/mcprotocol/standard/packet/PacketBlockAction.java
+++ b/src/main/java/ch/spacebase/mcprotocol/standard/packet/PacketBlockAction.java
@@ -42,7 +42,7 @@ public class PacketBlockAction extends Packet {
 	@Override
 	public void write(NetOutput out) throws IOException {
 		out.writeInt(this.x);
-		out.writeInt(this.y);
+		out.writeShort(this.y);
 		out.writeInt(this.z);
 		out.writeByte(this.b1);
 		out.writeByte(this.b2);