diff --git a/templates/nginx.conf.j2 b/templates/nginx.conf.j2
index be990aa..6ad17c4 100644
--- a/templates/nginx.conf.j2
+++ b/templates/nginx.conf.j2
@@ -20,7 +20,7 @@ http {
     tcp_nodelay on;
     keepalive_timeout 65;
     types_hash_max_size 2048;
-    server_tokens {{ nginx_server_token | default(off) }};
+    server_tokens {{ nginx_server_token | default("off") }};
 
     map_hash_max_size 4096;
     map_hash_bucket_size 128;
@@ -42,7 +42,7 @@ http {
     # Log no IP addresses
     # access_log /var/log/nginx/access.log noip if=$log_ip;
 
-    access_log {{ nginx_access_log | default(off) }};
+    access_log {{ nginx_access_log | default("off") }};
 
     error_log /var/log/nginx/error.log;