diff --git a/include/boost/config/select_compiler_config.hpp b/include/boost/config/select_compiler_config.hpp
index 321743d7..fddca5cf 100644
--- a/include/boost/config/select_compiler_config.hpp
+++ b/include/boost/config/select_compiler_config.hpp
@@ -52,7 +52,7 @@
 //  Comeau C++
 #   define BOOST_COMPILER_CONFIG "boost/config/compiler/comeau.hpp"
 
-#elif defined __PATHSCALE__
+#elif defined(__PATHSCALE__) && (__PATHSCALE__ >= 4)
 // PathScale EKOPath compiler (has to come before clang and gcc)
 #   define BOOST_COMPILER_CONFIG "boost/config/compiler/pathscale.hpp"