diff --git a/ref.bib b/ref.bib
index 7d880828167b6b293139122d2d7a33014f196d78..cb9b12a120873979b227c8eed6751a46dc9db2ec 100644
--- a/ref.bib
+++ b/ref.bib
@@ -1,6 +1,6 @@
 @inproceedings{said2013month,
   title={A month in the life of a production news recommender system},
-  author={Said, Alan and Lin, Jimmy and Bellog{\'\i}n, Alejandro and de Vries, Arjen},
+  author={Said, Alan and Lin, Jimmy and Bellog{\'\i}n, Alejandro and Arjen, P. de Vries},
   booktitle={Proceedings of the 2013 workshop on Living labs for information retrieval evaluation},
   pages={7--10},
   year={2013},