diff --git a/include/boost/config/compiler/digitalmars.hpp b/include/boost/config/compiler/digitalmars.hpp
index f07b6ca5..32fc71fa 100644
--- a/include/boost/config/compiler/digitalmars.hpp
+++ b/include/boost/config/compiler/digitalmars.hpp
@@ -42,7 +42,7 @@
 #  define BOOST_NO_EXCEPTIONS
 #endif
 
-#if (__DMC__ < 0x833)
+#if (__DMC__ < 0x840)
 #  if defined(BOOST_ASSERT_CONFIG)
 #     error "Unknown compiler version - please run the configure tests and report the results"
 #  endif