diff --git a/src/msw/wince/helpwce.cpp b/src/msw/wince/helpwce.cpp
index 0196bb6907..5b1383180e 100644
--- a/src/msw/wince/helpwce.cpp
+++ b/src/msw/wince/helpwce.cpp
@@ -103,6 +103,10 @@ wxString wxWinceHelpController::GetValidFilename(const wxString& file) const
         fullName = path + name + wxT(".htm");
     else
         fullName = path + wxT("\\") + name + wxT(".htm");
+
+    if (!wxFileExists(fullName))
+        fullName = wxT("\\Windows\\") + name + wxT(".htm");
+
     return fullName;
 }