diff --git a/wxPython/src/msw/image.cpp b/wxPython/src/msw/image.cpp
index aadd657f22..c06f752f68 100644
--- a/wxPython/src/msw/image.cpp
+++ b/wxPython/src/msw/image.cpp
@@ -56,6 +56,7 @@ extern PyObject *SWIG_newvarlink(void);
 #define SWIG_name    "imagec"
 
 #include "helpers.h"
+#include "pyistream.h"
 #include <wx/image.h>
 
 
diff --git a/wxPython/src/msw/misc2.cpp b/wxPython/src/msw/misc2.cpp
index 0d7b6e464f..cfd8981fb6 100644
--- a/wxPython/src/msw/misc2.cpp
+++ b/wxPython/src/msw/misc2.cpp
@@ -56,6 +56,7 @@ extern PyObject *SWIG_newvarlink(void);
 #define SWIG_name    "misc2c"
 
 #include "helpers.h"
+#include "pyistream.h"
 #include <wx/resource.h>
 #include <wx/tooltip.h>
 #include <wx/caret.h>