diff --git a/website/docs/install-config/install/docker-compose.mdx b/website/docs/install-config/install/docker-compose.mdx
index 219c332d6543..1832c024c186 100644
--- a/website/docs/install-config/install/docker-compose.mdx
+++ b/website/docs/install-config/install/docker-compose.mdx
@@ -51,7 +51,7 @@ Run the following commands to generate a password and secret key and write them
 {/* prettier-ignore */}
 ```shell
 echo "PG_PASS=$(openssl rand -base64 36 | tr -d '\n')" >> .env
-echo "AUTHENTIK_SECRET_KEY=$(openssl rand -base64 60 | tr -d '\n')" >> .env
+echo "AUTHENTIK_SECRET_KEY=$(openssl rand -base64 60 | tr -dc 'a-zA-Z0-9' | tr -d '\n')" >> .env
 ```
 
 :::info