diff --git a/samples/docview/doc.cpp b/samples/docview/doc.cpp
index cc04558350..82ddbae73f 100644
--- a/samples/docview/doc.cpp
+++ b/samples/docview/doc.cpp
@@ -19,11 +19,16 @@
 #ifndef WX_PRECOMP
 #include "wx/wx.h"
 #endif
-#include "wx/txtstrm.h"
 #ifdef __WXMAC__
 #include "wx/filename.h"
 #endif
 
+#if wxUSE_STD_IOSTREAM
+    #include "wx/ioswrap.h"
+#else
+    #include "wx/txtstrm.h"
+#endif
+
 #if !wxUSE_DOC_VIEW_ARCHITECTURE
 #error You must set wxUSE_DOC_VIEW_ARCHITECTURE to 1 in setup.h!
 #endif