diff --git a/samples/html/help/help.cpp b/samples/html/help/help.cpp
index 783cda08fd..0e6ed46d88 100644
--- a/samples/html/help/help.cpp
+++ b/samples/html/help/help.cpp
@@ -155,19 +155,11 @@
 
       help.UseConfig(wxConfig::Get());
       bool ret;
-#if defined(__WXMAC__) && !defined(__DARWIN__)
-      ret = help.AddBook(wxT(":helpfiles:testing.hhp"));
-#else
       help.SetTempDir(wxT("."));
-      ret = help.AddBook(wxT("helpfiles/testing.hhp"));
-#endif
+      ret = help.AddBook(wxFileName(wxT("helpfiles/testing.hhp"), wxPATH_UNIX));
       if (! ret)
         wxMessageBox(wxT("Failed adding book helpfiles/testing.hhp"));
-#if defined(__WXMAC__) && !defined(__DARWIN__)
-      ret = help.AddBook(wxT(":helpfiles:another.hhp"));
-#else
-      ret = help.AddBook(wxT("helpfiles/another.hhp"));
-#endif
+      ret = help.AddBook(wxFileName(wxT("helpfiles/another.hhp"), wxPATH_UNIX));
       if (! ret)
         wxMessageBox(_("Failed adding book helpfiles/another.hhp"));
    }
diff --git a/samples/html/helpview/helpview.cpp b/samples/html/helpview/helpview.cpp
index 3881c00ba9..d77e758829 100644
--- a/samples/html/helpview/helpview.cpp
+++ b/samples/html/helpview/helpview.cpp
@@ -79,7 +79,7 @@ bool MyApp::OnInit()
     }
 
     for (int i = 1; i < argc; i++)
-        help -> AddBook(argv[i]);
+        help->AddBook(wxFileName(argv[i]));
 
 #ifdef __WXMOTIF__
     delete wxLog::SetActiveTarget(new wxLogGui);