diff --git a/ndn-cpp/face.hpp b/ndn-cpp/face.hpp
index a730161..c646dab 100644
--- a/ndn-cpp/face.hpp
+++ b/ndn-cpp/face.hpp
@@ -18,17 +18,17 @@
 class Face : public ElementListener {
 public:
   Face(const char *host, unsigned short port, const ptr_lib::shared_ptr<Transport> &transport)
-  : host_(host), port_(port), transport_(transport)
+  : host_(host), port_(port), transport_(transport), tempClosure_(0)
   {
   }
   
   Face(const char *host, unsigned short port)
-  : host_(host), port_(port), transport_(new UdpTransport())
+  : host_(host), port_(port), transport_(new UdpTransport()), tempClosure_(0)
   {
   }
   
   Face(const char *host)
-  : host_(host), port_(9695), transport_(new UdpTransport())
+  : host_(host), port_(9695), transport_(new UdpTransport()), tempClosure_(0)
   {
   }
 
@@ -38,12 +38,12 @@
    * closure->upcall(UPCALL_DATA (or UPCALL_DATA_UNVERIFIED),
    *                 UpcallInfo(this, interest, 0, data)).
    * @param name reference to a Name for the interest.  This does not keep a pointer to the Name object.
-   * @param closure a shared_ptr for the Closure.  This uses shared_ptr to take another reference to the object.
+   * @param closure a pointer for the Closure.  The caller must manage the memory for the Closure.  This will not try to delete it.
    * @param interestTemplate if not 0, copy interest selectors from the template.   This does not keep a pointer to the Interest object.
    */
-  void expressInterest(const Name &name, const ptr_lib::shared_ptr<Closure> &closure, const Interest *interestTemplate);
+  void expressInterest(const Name &name, Closure *closure, const Interest *interestTemplate);
   
-  void expressInterest(const Name &name, const ptr_lib::shared_ptr<Closure> &closure)
+  void expressInterest(const Name &name, Closure *closure)
   {
     expressInterest(name, closure, 0);
   }
@@ -62,7 +62,7 @@
   ptr_lib::shared_ptr<Transport> transport_;
   string host_;
   unsigned short port_;
-  ptr_lib::shared_ptr<Closure> tempClosure_;
+  Closure *tempClosure_;
 };
 
 }