1 files changed, 4 insertions, 2 deletions
diff --git a/src/main/java/com/lumaserv/bgp/protocol/attribute/UnknownAttribute.java b/src/main/java/com/lumaserv/bgp/protocol/attribute/UnknownAttribute.java
index 69dae2d..222c9bf 100644
--- a/src/main/java/com/lumaserv/bgp/protocol/attribute/UnknownAttribute.java
+++ b/src/main/java/com/lumaserv/bgp/protocol/attribute/UnknownAttribute.java
@@ -4,6 +4,8 @@ import lombok.AllArgsConstructor;
 import lombok.Getter;
 import lombok.Setter;
 
+import java.nio.ByteBuffer;
+
 @AllArgsConstructor
 @Getter
 @Setter
@@ -12,8 +14,8 @@ public class UnknownAttribute implements PathAttribute {
     byte typeCode;
     byte[] data;
 
-    public byte[] build() {
-        return data;
+    public void build(ByteBuffer b) {
+        b.put(b);
     }
 
     public byte getTypeCode() {