diff --git a/src/pages/kb/open-source/admin-guide/env-vars-settings.md b/src/pages/kb/open-source/admin-guide/env-vars-settings.md
index 309089dd0..d5e161c91 100644
--- a/src/pages/kb/open-source/admin-guide/env-vars-settings.md
+++ b/src/pages/kb/open-source/admin-guide/env-vars-settings.md
@@ -100,3 +100,4 @@ The follow is a list of settings and what they control:
 | `REDASH_WEB_WORKERS`                            | How many processes will gunicorn spawn to handle web requests                                                                                                                                                                                                      | 4                                                                                                                                          |
 | `REDASH_QUERY_RESULTS_EXPIRED_TTL_ENABLED`      | Enable the query result set default expired ttl.                                                                                                                                                                                                                   | false                                                                                                                                      |
 | `REDASH_QUERY_RESULTS_EXPIRED_TTL`              | Default set query results expired ttl 86400 seconds.                                                                                                                                                                                                               | 86400                                                                                                                                      |
+| `REDASH_CSV_WRITER_ENCODING`                    | Change the encoding of the CSV file.                                                                                                                                                                                                                               | utf-8                                                                                                                                      |