diff --git a/files/nginx/conf/001-services.conf b/files/nginx/conf/001-services.conf
index 5fa6977..6c18391 100644
--- a/files/nginx/conf/001-services.conf
+++ b/files/nginx/conf/001-services.conf
@@ -117,7 +117,7 @@ server {
     location / {
         proxy_pass http://127.0.0.1:3001;
         proxy_set_header Host $http_host;
-        proxy_intercept_errors: on;
+        proxy_intercept_errors on;
         proxy_http_version 1.1;
         proxy_set_header Upgrade $http_upgrade;
         proxy_set_header Connection "upgrade";