diff --git a/include/boost/config/compiler/borland.hpp b/include/boost/config/compiler/borland.hpp
index d459eb42..531691ef 100644
--- a/include/boost/config/compiler/borland.hpp
+++ b/include/boost/config/compiler/borland.hpp
@@ -25,6 +25,15 @@
 #  define BOOST_NO_CV_VOID_SPECIALIZATIONS
 #  define BOOST_NO_LIMITS_COMPILE_TIME_CONSTANTS
 #  define BOOST_NO_DEDUCED_TYPENAME
+// workaround for missing WCHAR_MAX/WCHAR_MIN:
+#include <climits>
+#include <cwchar>
+#ifndef WCHAR_MAX
+#  define WCHAR_MAX 0xffff
+#endif
+#ifndef WCHAR_MIN
+#  define WCHAR_MIN 0
+#endif
 #endif
 
 #if (__BORLANDC__ <= 0x564)