diff --git a/conf/nginx.conf b/conf/nginx.conf
index 1613e9f..b1254ba 100644
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -114,7 +114,7 @@ location /media/attachments/ {
     #    # Needed to ensure DSub auth isn't forwarded to S3/Minio, see #932.
 #       proxy_set_header Authorization "";                                  # S3
 #       proxy_pass $1;                                                      # S3
-    #    more_set_headers "Access-Control-Allow-Origin '*'";
+    #    more_set_headers "Access-Control-Allow-Origin: *";
     #}
 
 location /_protected/music/ {