diff --git a/include/boost/config/compiler/vacpp.hpp b/include/boost/config/compiler/vacpp.hpp
index e085a60d..b930dafd 100644
--- a/include/boost/config/compiler/vacpp.hpp
+++ b/include/boost/config/compiler/vacpp.hpp
@@ -52,6 +52,9 @@
 #  endif
 #endif
 
+// Some versions of the compiler have issues with default arguments on partial specializations
+#define BOOST_PARTIAL_SPECIALIZATION_EXPLICT_ARGS
+