diff --git a/scripts/install b/scripts/install
index 2cfd7a8..ae7bc56 100644
--- a/scripts/install
+++ b/scripts/install
@@ -145,7 +145,7 @@ public_ip6="$(curl ipv6.yunohost.org)" || true
 
 if ( [[ -n "$public_ip4" ]] && ynh_validate_ip4 --ip_address="$public_ip4" || [[ -n "$public_ip6" ]] && ynh_validate_ip6 --ip_address="$public_ip6" )
 then
-    echo "external-ip=${public_ip4},${public_ip6}" >> "$coturn_config_path"
+    echo "external-ip=${public_ip4}/${public_ip6}" >> "$coturn_config_path"
 fi
 
 ynh_store_file_checksum --file="$coturn_config_path"
@@ -185,6 +185,7 @@ ynh_use_logrotate --logfile "/var/log/$app"
 # Set permissions to app files
 chown root: -R $data_path
 chown -R turnserver:root /var/log/$app
+chown turnserver:root /etc/turnserver.conf
 setfacl -R -m user:turnserver:rwX  /var/log/$app
 
 #=================================================