diff --git a/src/setaliasdialog.h b/src/setaliasdialog.h
index 1e24963..4de2255 100644
--- a/src/setaliasdialog.h
+++ b/src/setaliasdialog.h
@@ -26,7 +26,7 @@
   Q_OBJECT
 
 public:
-  explicit SetAliasDialog(ndn::Ptr<ContactManager> contactManager,
+  explicit SetAliasDialog(ndn::ptr_lib::shared_ptr<ContactManager> contactManager,
 			  QWidget *parent = 0);
   ~SetAliasDialog();
 
@@ -46,7 +46,7 @@
 
 private:
   Ui::SetAliasDialog *ui;
-  ndn::Ptr<ContactManager> m_contactManager;
+  ndn::ptr_lib::shared_ptr<ContactManager> m_contactManager;
   std::string m_target;
 };