diff --git a/libp2p/Common.h b/libp2p/Common.h
index 14edb817f..4fd9ac189 100644
--- a/libp2p/Common.h
+++ b/libp2p/Common.h
@@ -300,3 +300,4 @@ template <> struct hash<bi::address>
 };
 
 }
+