diff --git a/scripts/install b/scripts/install
index 49655a8..1646929 100644
--- a/scripts/install
+++ b/scripts/install
@@ -302,7 +302,7 @@ public_ip6="$(curl -s ipv6.yunohost.org)" || true
 turn_external_ip=""
 if [ -n "$public_ip4" ] && ynh_validate_ip4 --ip_address="$public_ip4"
 then
-    turn_external_ip+="external-ip=$public_ip4"%'\n'
+    turn_external_ip+="external-ip=$public_ip4"$'\n'
 fi
 
 if [ -n "$public_ip6" ] && ynh_validate_ip6 --ip_address="$public_ip6"