diff --git a/scripts/install b/scripts/install
index 5a8dcd5..dbf26b8 100644
--- a/scripts/install
+++ b/scripts/install
@@ -135,7 +135,9 @@ ynh_add_systemd_config
 #=================================================
 ynh_script_progression --message="Configuring a mongod..." --weight=1
 
-echo -e "replication:\n  replSetName: \"rs01\"" | tee -a /etc/mongod.conf
+sed -i "s/^#  engine:/  engine: wiredTiger/"  /etc/mongod.conf
+sed -i "s/^#replication:/replication:\n  replSetName: rs01/" /etc/mongod.conf
+#echo -e "replication:\n  replSetName: \"rs01\"" | tee -a /etc/mongod.conf
 
 #=================================================
 # INTEGRATE SERVICE IN YUNOHOST