diff --git a/tests/daemon/face/dummy-transport.hpp b/tests/daemon/face/dummy-transport.hpp
index 0e76d47..6d1451c 100644
--- a/tests/daemon/face/dummy-transport.hpp
+++ b/tests/daemon/face/dummy-transport.hpp
@@ -43,7 +43,8 @@
                  const std::string& remoteUri = "dummy://",
                  ndn::nfd::FaceScope scope = ndn::nfd::FACE_SCOPE_NON_LOCAL,
                  ndn::nfd::FacePersistency persistency = ndn::nfd::FACE_PERSISTENCY_PERSISTENT,
-                 ndn::nfd::LinkType linkType = ndn::nfd::LINK_TYPE_POINT_TO_POINT)
+                 ndn::nfd::LinkType linkType = ndn::nfd::LINK_TYPE_POINT_TO_POINT,
+                 ssize_t mtu = MTU_UNLIMITED)
     : isClosed(false)
   {
     this->setLocalUri(FaceUri(localUri));
@@ -51,7 +52,7 @@
     this->setScope(scope);
     this->setPersistency(persistency);
     this->setLinkType(linkType);
-    this->setMtu(MTU_UNLIMITED);
+    this->setMtu(mtu);
   }
 
   void