diff --git a/contributions/net/main.tex b/contributions/net/main.tex
index 35ee8a341b59a6e90b1a008b2b5b9fcd2485d60d..f2e439cbeff94292fdbe7beace82bb346bf3c38f 100644
--- a/contributions/net/main.tex
+++ b/contributions/net/main.tex
@@ -1,11 +1,10 @@
 
-
 \documentclass[a4paper]{jpconf}
 \usepackage{graphicx}
 \begin{document}
 \title{The INFN-Tier1: Network and Security}
 
-\author{S.~Zani$^1$,, D.~De~Girolamo$^1$, L.~Chiarelli$^{1,2}$, V.~Ciaschini$^1$}
+\author{S.~Zani$^1$, D.~De~Girolamo$^1$, L.~Chiarelli$^{1,2}$, V.~Ciaschini$^1$}
  \address{$^1$ INFN-CNAF, Bologna, IT}
 
 \address{$^2$ GARR Consortium, Roma, IT}