diff --git a/samples/opengl/isosurf/isosurf.cpp b/samples/opengl/isosurf/isosurf.cpp
index ee60f37c25..94e415b463 100644
--- a/samples/opengl/isosurf/isosurf.cpp
+++ b/samples/opengl/isosurf/isosurf.cpp
@@ -314,7 +314,6 @@ 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));
 }
 
 MyFrame::~MyFrame()