diff --git a/tests/test.cpp b/tests/test.cpp
index 00c21251f2..0da0b1de6b 100644
--- a/tests/test.cpp
+++ b/tests/test.cpp
@@ -88,15 +88,15 @@ void TestApp::OnInitCmdLine(wxCmdLineParser& parser)
     wxAppConsole::OnInitCmdLine(parser);
 
     static const wxCmdLineEntryDesc cmdLineDesc[] = {
-        { wxCMD_LINE_SWITCH, _T("l"), _T("list"),
-            _T("list the test suites, do not run them"),
+        { wxCMD_LINE_SWITCH, "l", "list",
+            "list the test suites, do not run them",
             wxCMD_LINE_VAL_NONE, 0 },
-        { wxCMD_LINE_SWITCH, _T("L"), _T("longlist"),
-            _T("list the test cases, do not run them"),
+        { wxCMD_LINE_SWITCH, "L", "longlist",
+            "list the test cases, do not run them",
             wxCMD_LINE_VAL_NONE, 0 },
-        { wxCMD_LINE_PARAM, "", "", _T("REGISTRY"), wxCMD_LINE_VAL_STRING,
+        { wxCMD_LINE_PARAM, NULL, NULL, "REGISTRY", wxCMD_LINE_VAL_STRING,
             wxCMD_LINE_PARAM_OPTIONAL | wxCMD_LINE_PARAM_MULTIPLE },
-        { wxCMD_LINE_NONE , "", "", "", wxCMD_LINE_VAL_NONE, 0 }
+        wxCMD_LINE_DESC_END
     };
 
     parser.SetDesc(cmdLineDesc);