diff --git a/roles/nginx-fpm-proxy/templates/nextcloud-nginx.conf.j2 b/roles/nginx-fpm-proxy/templates/nextcloud-nginx.conf.j2
index ebc63ff..1b8a475 100644
--- a/roles/nginx-fpm-proxy/templates/nextcloud-nginx.conf.j2
+++ b/roles/nginx-fpm-proxy/templates/nextcloud-nginx.conf.j2
@@ -1,6 +1,6 @@
 upstream php-handler {
 {% if fpm_socket %}
-{% if fpm_socket is sequence %}
+{% if fpm_socket is not string %}
 {% for upstream in fpm_socket %}
     server unix:{{ upstream }};
 {% endfor %}