diff --git a/domain/src/main/java/ch/dissem/bitmessage/entity/payload/V5Broadcast.java b/domain/src/main/java/ch/dissem/bitmessage/entity/payload/V5Broadcast.java
index 298fd5c..c12aae0 100644
--- a/domain/src/main/java/ch/dissem/bitmessage/entity/payload/V5Broadcast.java
+++ b/domain/src/main/java/ch/dissem/bitmessage/entity/payload/V5Broadcast.java
@@ -50,6 +50,12 @@ public class V5Broadcast extends V4Broadcast {
         return tag;
     }
 
+    @Override
+    public void writeBytesToSign(OutputStream out) throws IOException {
+        out.write(tag);
+        super.writeBytesToSign(out);
+    }
+
     @Override
     public void write(OutputStream out) throws IOException {
         out.write(tag);