diff --git a/include/wx/wxchar.h b/include/wx/wxchar.h
index cd4a4957ac..b732e32744 100644
--- a/include/wx/wxchar.h
+++ b/include/wx/wxchar.h
@@ -265,7 +265,7 @@ typedef  _TUCHAR     wxUChar;
 #    if defined(__VISUALC__) && (__VISUALC__ < 900)
 #      define wxUSE_WCHAR_T 0 // wchar_t is not available for MSVC++ 1.5
 #    elif defined(__UNIX__)
-#      if defined(HAVE_WCSTR_H) || defined(HAVE_WCHAR_H) || defined(__FreeBSD__)
+#      if defined(HAVE_WCSTR_H) || defined(HAVE_WCHAR_H) || defined(__FreeBSD__) || (defined(__APPLE__) && defined(__UNIX__))
 #        define wxUSE_WCHAR_T 1
 #      else
 #        define wxUSE_WCHAR_T 0