diff --git a/build.jam b/build.jam
index 0b9e52f..c5294d6 100644
--- a/build.jam
+++ b/build.jam
@@ -7,8 +7,8 @@ import project ;
 
 project /boost/throw_exception
     : common-requirements
-        <source>/boost/assert//boost_assert
-        <source>/boost/config//boost_config
+        <library>/boost/assert//boost_assert
+        <library>/boost/config//boost_config
         <include>include
     ;