diff --git a/contrib/samples/ogl/ogledit/doc.cpp b/contrib/samples/ogl/ogledit/doc.cpp
index 833ab5c12a..410d150880 100644
--- a/contrib/samples/ogl/ogledit/doc.cpp
+++ b/contrib/samples/ogl/ogledit/doc.cpp
@@ -24,6 +24,8 @@
 #include <wx/wx.h>
 #endif
 
+#include <wx/ioswrap.h>
+
 #if !wxUSE_DOC_VIEW_ARCHITECTURE
 #error You must set wxUSE_DOC_VIEW_ARCHITECTURE to 1 in wx_setup.h!
 #endif
@@ -32,10 +34,6 @@
 #include "doc.h"
 #include "view.h"
 
-#if wxUSE_STD_IOSTREAM
-#include <ioswrap.h>
-#endif
-
 IMPLEMENT_DYNAMIC_CLASS(DiagramDocument, wxDocument)
 
 DiagramDocument::DiagramDocument(void)