diff --git a/infra/postgres-init/01-forgejo.sh b/infra/postgres-init/01-forgejo.sh
index b401aa6..7c7d7c3 100755
--- a/infra/postgres-init/01-forgejo.sh
+++ b/infra/postgres-init/01-forgejo.sh
@@ -1,8 +1,8 @@
-#!/usr/bin/env bash
+#!/bin/sh
 # Create a dedicated database and user for Forgejo.
 # Runs once when the Postgres container is first initialised.
 # FORGEJO_DB_PASSWORD must be set in the environment (via docker-compose.yml).
-set -euo pipefail
+set -e
 
 psql -v ON_ERROR_STOP=1 --username "$POSTGRES_USER" <<-EOSQL
     CREATE USER forgejo WITH PASSWORD '${FORGEJO_DB_PASSWORD}';