diff --git a/build.jam b/build.jam
index 4f080ed..4b15d34 100644
--- a/build.jam
+++ b/build.jam
@@ -5,19 +5,22 @@
 
 require-b2 5.2 ;
 
+constant boost_dependencies :
+    /boost/assert//boost_assert
+    /boost/config//boost_config
+    /boost/static_assert//boost_static_assert
+    /boost/throw_exception//boost_throw_exception ;
+
 project /boost/core
     : common-requirements
-        <library>/boost/assert//boost_assert
-        <library>/boost/config//boost_config
-        <library>/boost/static_assert//boost_static_assert
-        <library>/boost/throw_exception//boost_throw_exception
         <include>include
     ;
 
 explicit
-    [ alias boost_core ]
+    [ alias boost_core : : : : <library>$(boost_dependencies) ]
     [ alias all : boost_core test ]
     ;
 
 call-if : boost-library core
     ;
+