diff --git a/docs/subsquid-network/participate/gateway.md b/docs/subsquid-network/participate/gateway.md
index 5d9c0439..c0a56e95 100644
--- a/docs/subsquid-network/participate/gateway.md
+++ b/docs/subsquid-network/participate/gateway.md
@@ -81,6 +81,9 @@ By default, your gateway will go down at the end of the staking period. To preve
    ```
 
 9. Prepare the environment. Begin with
+   ```bash
+   cp config.yml.mainnet config.yml
+   ```
    ```bash
    cp mainnet.env .env
    ```