diff --git a/daemon/face/null-transport.hpp b/daemon/face/null-transport.hpp
index 9f8e54e..303b1e8 100644
--- a/daemon/face/null-transport.hpp
+++ b/daemon/face/null-transport.hpp
@@ -51,7 +51,7 @@
 
 private:
   void
-  doSend(Packet&&) OVERRIDE_WITH_TESTS_ELSE_FINAL
+  doSend(const Block&, const EndpointId&) OVERRIDE_WITH_TESTS_ELSE_FINAL
   {
   }
 };