diff --git a/include/boost/config/compiler/vacpp.hpp b/include/boost/config/compiler/vacpp.hpp
index 336fabe3..7932c0e2 100644
--- a/include/boost/config/compiler/vacpp.hpp
+++ b/include/boost/config/compiler/vacpp.hpp
@@ -29,7 +29,7 @@
 #  define BOOST_HAS_THREADS
 #endif
 
-#define BOOST_COMPILER "IBM Visual Age" BOOST_STRINGIZE(__IBMCPP__)
+#define BOOST_COMPILER "IBM Visual Age version " BOOST_STRINGIZE(__IBMCPP__)
 
 //
 // versions check: