diff --git a/include/wx/file.h b/include/wx/file.h
index 73778df34d..c11ea4d648 100644
--- a/include/wx/file.h
+++ b/include/wx/file.h
@@ -20,6 +20,7 @@
 #ifndef WX_PRECOMP
   #include  "wx/string.h"
   #include  "wx/filefn.h"
+  #include  "wx/strconv.h"
 #endif
 
 #if wxUSE_FILE
diff --git a/include/wx/strconv.h b/include/wx/strconv.h
index 60aef2c1dd..7b4b2255f3 100644
--- a/include/wx/strconv.h
+++ b/include/wx/strconv.h
@@ -170,7 +170,7 @@ public:
     const char* cWX2MB(const char *psz) const { return psz; }
 };
 
-WXDLLEXPORT_DATA(extern wxMBConv) wxConvLibc, wxConvFile;
+WXDLLEXPORT_DATA(extern wxMBConv) wxConvLibc, wxConvFile, wxConvLocal;
 WXDLLEXPORT_DATA(extern wxMBConv *) wxConvCurrent;
 
 #define wxFNCONV(name) name