diff --git a/daemon/face/face.cpp b/daemon/face/face.cpp
index 6518117..9c8613b 100644
--- a/daemon/face/face.cpp
+++ b/daemon/face/face.cpp
@@ -8,8 +8,8 @@
 
 namespace nfd {
 
-Face::Face(FaceId id)
-  : m_id(id)
+Face::Face()
+  : m_id(INVALID_FACEID)
 {
 }
 
@@ -17,6 +17,18 @@
 {
 }
 
+FaceId
+Face::getId() const
+{
+  return m_id;
+}
+
+FaceId
+Face::setId(FaceId faceId)
+{
+  m_id = faceId;
+}
+
 bool
 Face::isUp() const
 {