diff --git a/build.jam b/build.jam
index b73dd099..d09e7788 100644
--- a/build.jam
+++ b/build.jam
@@ -7,18 +7,18 @@ import project ;
 
 project /boost/regex
     : common-requirements
-        <source>/boost/assert//boost_assert
-        <source>/boost/concept_check//boost_concept_check
-        <source>/boost/config//boost_config
-        <source>/boost/container_hash//boost_container_hash
-        <source>/boost/core//boost_core
-        <source>/boost/integer//boost_integer
-        <source>/boost/mpl//boost_mpl
-        <source>/boost/predef//boost_predef
-        <source>/boost/smart_ptr//boost_smart_ptr
-        <source>/boost/static_assert//boost_static_assert
-        <source>/boost/throw_exception//boost_throw_exception
-        <source>/boost/type_traits//boost_type_traits
+        <library>/boost/assert//boost_assert
+        <library>/boost/concept_check//boost_concept_check
+        <library>/boost/config//boost_config
+        <library>/boost/container_hash//boost_container_hash
+        <library>/boost/core//boost_core
+        <library>/boost/integer//boost_integer
+        <library>/boost/mpl//boost_mpl
+        <library>/boost/predef//boost_predef
+        <library>/boost/smart_ptr//boost_smart_ptr
+        <library>/boost/static_assert//boost_static_assert
+        <library>/boost/throw_exception//boost_throw_exception
+        <library>/boost/type_traits//boost_type_traits
         <include>include
     ;