diff --git a/_questions/data-engineering-zoomcamp/module-1/076_2e70d86eaa_change-pg-host-localhost-docker.md b/_questions/data-engineering-zoomcamp/module-1/076_2e70d86eaa_change-pg-host-localhost-docker.md
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+---
+id: 2e70d86eaa
+question: 'OperationalError: connection to server at ''localhost'' failed in ingest_script.py
+  when running with --pg-host; how to fix by using pgdatabase?'
+sort_order: 76
+---
+
+To fix the OperationalError when the ingest_script.py connects to PostgreSQL, ensure the database host in the script matches the Docker host name you pass at runtime.
+
+- In ingest_script.py, locate the DB host setting:
+  `pg_host = "localhost"`
+
+- Change it to:
+  `pg_host = "pgdatabase"`
+
+- If you started the container with --pg-host=pgdatabase, the host inside the script must be pgdatabase so the connection is directed to the correct container/service.
+
+- After updating, rerun the container with --pg-host=pgdatabase (and ensure the Postgres service is reachable under that host name in the Docker network).
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