diff --git a/orga/attendance_certificate/certificate.tex b/orga/attendance_certificate/certificate.tex
index f15762f5205c5917bd009c6da2aaacf03d357320..bb5c0429326fe4700c3abb4e355d5a37f1dd42d4 100644
--- a/orga/attendance_certificate/certificate.tex
+++ b/orga/attendance_certificate/certificate.tex
@@ -86,7 +86,7 @@
 \renewcommand{\headrulewidth}{0pt}
 \fancyhead[l]{\includegraphics[height=2.9cm]{logo/lbmc}}
 \fancyhead[r]{\sffamily Laboratoire de Biologie et Modélisation de la Cellule\\ ENS de Lyon\\ 46, allée d’Italie\\ 69364 LYON CEDEX 07, FRANCE\\ Tél : (+33) 4 72 72 81 71\\ \url{https://www.ens-lyon.fr/LBMC/}}
-\fancyfoot[c]{\makebox[0pt][c]{\includegraphics[height=2cm]{logo/ensl} \hfill \includegraphics[height=2cm]{logo/cnrs} \hfill \includegraphics[height=2cm]{logo/inserm} \hfill \includegraphics[height=2cm]{logo/ucbl}}}
+\fancyfoot[c]{\makebox[\textwidth]{\includegraphics[height=2cm]{logo/ensl} \hfill \includegraphics[height=2cm]{logo/cnrs} \hfill \includegraphics[height=2cm]{logo/inserm} \hfill \includegraphics[height=2cm]{logo/ucbl}}}
 
 \DTLloaddb{list}{participants.csv}
 \DTLforeach{list}{%
@@ -127,4 +127,4 @@ Fait à Lyon le \today
 \end{center}
 }
 
-\end{document}
\ No newline at end of file
+\end{document}