diff --git a/samples/opengl/isosurf/isosurf.cpp b/samples/opengl/isosurf/isosurf.cpp
index f602caeeb4..00ab92808d 100644
--- a/samples/opengl/isosurf/isosurf.cpp
+++ b/samples/opengl/isosurf/isosurf.cpp
@@ -255,9 +255,6 @@ bool MyApp::OnInit()
     frame = new MyFrame(NULL, wxT("wxWidgets OpenGL Isosurf Sample"),
         wxDefaultPosition, wxDefaultSize);
 
-    // Give it an icon
-    frame->SetIcon(wxIcon(_T("mondrian")));
-
     // Make a menubar
     wxMenu *fileMenu = new wxMenu;
 
@@ -315,7 +312,7 @@ MyFrame::MyFrame(wxFrame *frame, const wxString& title, const wxPoint& pos,
     : wxFrame(frame, wxID_ANY, title, pos, size, style)
 {
     m_canvas = NULL;
-    SetIcon(wxIcon(sample_xpm));
+    SetIcon(wxICON(sample));
 }
 
 MyFrame::~MyFrame()