diff --git a/templates/docker-compose.yml.j2 b/templates/docker-compose.yml.j2
index ef36f19..bf05511 100644
--- a/templates/docker-compose.yml.j2
+++ b/templates/docker-compose.yml.j2
@@ -85,7 +85,7 @@ services:
 {% if nginx_reverse_proxy %}
   web_proxy:
     image: nginx
-    volume:
+    volumes:
     - /etc/mastodon/nginx.conf:/etc/nginx/conf.d/default.conf
     ports:
     - "8080:80"