diff --git a/pica-mail/pica-mail-mta/Dockerfile b/pica-mail/pica-mail-mta/Dockerfile
index 853093e4e9585ca12a4468e23964802e746c6131..d3a4b77fab2427655fffc5ba7eb6356342fe1fc3 100644
--- a/pica-mail/pica-mail-mta/Dockerfile
+++ b/pica-mail/pica-mail-mta/Dockerfile
@@ -47,9 +47,8 @@ ENV LMTP_PORT 24
 ENV SMTPD_CLIENT_RESTRICTIONS reject_rbl_client sbl.spamhaus.org, reject_rbl_client dnsbl.sorbs.net
 
 # SSL
-# L'antislash "\" est nécessaire devant le slash "/" !
-ENV SSL_CERT "\/certs-ssl\/cert.pem"
-ENV SSL_KEY "\/certs-ssl\/privkey.pem"
+ENV SSL_CERT "/certs-ssl/cert.pem"
+ENV SSL_KEY "/certs-ssl/privkey.pem"
 
 #configuration de OpenDKIM
 COPY spam/opendkim.conf /etc/