diff --git a/include/wx/univ/theme.h b/include/wx/univ/theme.h
index 0c571dd95b..e9a05fe408 100644
--- a/include/wx/univ/theme.h
+++ b/include/wx/univ/theme.h
@@ -120,7 +120,7 @@ struct WXDLLEXPORT wxThemeInfo
     bool wxThemeUse##themename = TRUE;                                      \
     wxTheme *wxCtorFor##themename() { return new classname; }               \
     wxThemeInfo classname::ms_info##themename(wxCtorFor##themename,         \
-                                              #themename, themedesc)
+                                              wxT( #themename ), themedesc)
 
 #endif // _WX_UNIV_THEME_H_
 
diff --git a/src/msw/helpbest.cpp b/src/msw/helpbest.cpp
index 8de443a243..ec408ee30e 100644
--- a/src/msw/helpbest.cpp
+++ b/src/msw/helpbest.cpp
@@ -92,7 +92,7 @@ wxString wxBestHelpController::GetValidFilename( const wxString& filename ) cons
         break;
     default:
         // we CAN'T get here
-        wxFAIL_MSG( "wxBestHelpController: Must call Initialize, first!" );
+        wxFAIL_MSG( wxT("wxBestHelpController: Must call Initialize, first!") );
         return wxEmptyString;
         break;
     }