diff --git a/p4src/headers.p4 b/p4src/headers.p4
index 70112cf..c388a6e 100644
--- a/p4src/headers.p4
+++ b/p4src/headers.p4
@@ -78,4 +78,7 @@ struct headers {
     tcp_t	         tcp;
 }
 
+struct metadata {
+}
+
 #endif
\ No newline at end of file