diff --git a/doc/Jamfile.v2 b/doc/Jamfile.v2
index 78bc258..354831c 100644
--- a/doc/Jamfile.v2
+++ b/doc/Jamfile.v2
@@ -2,5 +2,5 @@ project boost-sandbox/utility/doc ;
 import boostbook ;
 import doxygen ;
 
-doxygen reference : ../../../boost/tribool.hpp ;
+doxygen reference : ../../../boost/tribool.hpp : <prefix>boost ;
 boostbook tribool : tribool.boostbook ;