diff --git a/common/widgets/std_bitmap_button.cpp b/common/widgets/std_bitmap_button.cpp
index 2006358562..42cee643f5 100644
--- a/common/widgets/std_bitmap_button.cpp
+++ b/common/widgets/std_bitmap_button.cpp
@@ -211,7 +211,7 @@ void STD_BITMAP_BUTTON::OnPaint( wxPaintEvent& WXUNUSED( aEvent ) )
 
     if( m_bitmap.IsOk() )
     {
-#ifdef __WXMAC__
+#ifndef __WXMSW__
         wxSize bmpSize = m_bitmap.GetDefaultSize();
 #else
         wxSize bmpSize = m_bitmap.GetPreferredBitmapSizeFor( this );