diff --git a/article.Rtex b/article.Rtex
index 91afd6e..aad212b 100644
--- a/article.Rtex
+++ b/article.Rtex
@@ -88,7 +88,7 @@ source('resources/real_data_example.R')
 \defbibheading{secbib}[\bibname]{%
   \section*{#1}%
   \markboth{#1}{#1}%
-O  \baselineskip 14.2pt%
+  \baselineskip 14.2pt%
   \prebibhook}
 
 \def\citepos#1{\citeauthor{#1}'s (\citeyear{#1})}