diff --git a/build.jam b/build.jam
index 124c838..b64fe39 100644
--- a/build.jam
+++ b/build.jam
@@ -5,17 +5,20 @@
 
 require-b2 5.2 ;
 
+constant boost_dependencies :
+    /boost/config//boost_config
+    /boost/core//boost_core ;
+
 project /boost/logic
     : common-requirements
         <include>include
-        <library>/boost/config//boost_config
-        <library>/boost/core//boost_core
     ;
 
 explicit
-    [ alias boost_logic ]
+    [ alias boost_logic : : : : <library>$(boost_dependencies) ]
     [ alias all : boost_logic test ]
     ;
 
 call-if : boost-library logic
     ;
+