diff --git a/include/lbfgs.h b/include/lbfgs.h
index c1dbd70..cf6cac2 100644
--- a/include/lbfgs.h
+++ b/include/lbfgs.h
@@ -546,6 +546,7 @@ This library is used by:
 - <a href="http://www.public.iastate.edu/~gdancik/mlegp/">mlegp: an R package for maximum likelihood estimates for Gaussian processes</a>
 - <a href="http://infmath.uibk.ac.at/~matthiasf/imaging2/">imaging2: the imaging2 class library</a>
 - <a href="http://search.cpan.org/~laye/Algorithm-LBFGS-0.16/">Algorithm::LBFGS - Perl extension for L-BFGS</a>
+- <a href="http://www.cs.kuleuven.be/~bernd/yap-lbfgs/">YAP-LBFGS (an interface to call libLBFGS from YAP Prolog)</a>
 
 @section download Download