diff --git a/build.jam b/build.jam
index 46eff1a..6e0520d 100644
--- a/build.jam
+++ b/build.jam
@@ -7,10 +7,10 @@ import project ;
 
 project /boost/core
     : common-requirements
-        <source>/boost/assert//boost_assert
-        <source>/boost/config//boost_config
-        <source>/boost/static_assert//boost_static_assert
-        <source>/boost/throw_exception//boost_throw_exception
+        <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
     ;