diff --git a/include/boost/regex/config.hpp b/include/boost/regex/config.hpp
index 2f46159f..70a9a472 100644
--- a/include/boost/regex/config.hpp
+++ b/include/boost/regex/config.hpp
@@ -257,7 +257,7 @@ using std::distance;
 #endif
  
 #if (defined(BOOST_MSVC) || defined(__BORLANDC__)) && !defined(BOOST_REGEX_NO_LIB) && !defined(BOOST_REGEX_SOURCE)
-#  include <boost/regex/detail/regex_library_include.hpp>
+#  include <boost/regex/v3/regex_library_include.hpp>
 #endif
 
 /*****************************************************************************
@@ -643,3 +643,4 @@ inline void pointer_construct(T* p, const T& t)
 
 
 
+