diff --git a/include/boost/config/stdlib/stlport.hpp b/include/boost/config/stdlib/stlport.hpp
index 044a87d9..4843ea59 100644
--- a/include/boost/config/stdlib/stlport.hpp
+++ b/include/boost/config/stdlib/stlport.hpp
@@ -82,6 +82,19 @@
 #  define BOOST_NO_STD_ALLOCATOR
 #endif
 
+//
+// If STLport thinks there is no wchar_t at all, then we have to disable
+// the support for the relevant specilazations of std:: templates.
+//
+#if !defined(_STLP_HAS_WCHAR_T) && !defined(_STLP_WCHAR_T_IS_USHORT)
+#  ifndef  BOOST_NO_STD_WSTRING
+#     define BOOST_NO_STD_WSTRING
+#  endif
+#  ifndef  BOOST_NO_STD_WSTREAMBUF
+#     define BOOST_NO_STD_WSTREAMBUF
+#  endif
+#endif
+
 //
 // We always have SGI style hash_set, hash_map, and slist:
 //