diff --git a/bibfile.bib b/bibfile.bib
index 7470449cabb7b8987d4010098818ac53f17c2c75..cb15ea2ca2c96d851dcc8fd69948a8831bfd0573 100644
--- a/bibfile.bib
+++ b/bibfile.bib
@@ -57,7 +57,7 @@
     Title = {PHANTOM: Practical Oblivious Computation in a Secure Processor},
     School = {EECS Department, University of California, Berkeley},
     Year = {2014},
-    Month = {May},
+    Month = may,
 	pages = {1--87},
     URL = {http://www2.eecs.berkeley.edu/Pubs/TechRpts/2014/EECS-2014-89.html},
     Number = {UCB/EECS-2014-89},