diff --git a/demos/life/life.cpp b/demos/life/life.cpp
index dc1ca609fa..7f641ee195 100644
--- a/demos/life/life.cpp
+++ b/demos/life/life.cpp
@@ -456,7 +456,7 @@ void LifeFrame::OnOpen(wxCommandEvent& WXUNUSED(event))
                          wxEmptyString,
                          wxEmptyString,
                          _("Life patterns (*.lif)|*.lif|All files (*.*)|*.*"),
-                         wxOPEN | wxFILE_MUST_EXIST);
+                         wxFD_OPEN | wxFD_FILE_MUST_EXIST);
 
     if (filedlg.ShowModal() == wxID_OK)
     {
diff --git a/utils/helpview/src/helpview.cpp b/utils/helpview/src/helpview.cpp
index 636f1ed026..6f6d2b4edd 100644
--- a/utils/helpview/src/helpview.cpp
+++ b/utils/helpview/src/helpview.cpp
@@ -152,7 +152,7 @@ bool hvApp::OnInit()
             wxEmptyString,
             wxEmptyString,
             wxT("Help books (*.htb)|*.htb|Help books (*.zip)|*.zip|HTML Help Project (*.hhp)|*.hhp"),
-            wxOPEN | wxFILE_MUST_EXIST,
+            wxFD_OPEN | wxFD_FILE_MUST_EXIST,
             NULL);
 
         if (!s.empty())