diff --git a/bot_bottle/backend/macos_container/infra.py b/bot_bottle/backend/macos_container/infra.py
index c0eea45..6bca5c9 100644
--- a/bot_bottle/backend/macos_container/infra.py
+++ b/bot_bottle/backend/macos_container/infra.py
@@ -101,7 +101,7 @@ def _init_script(port: int) -> str:
         # Gateway data plane, multi-tenant against the local control plane.
         f"( cd /app && BOT_BOTTLE_GATEWAY_DAEMONS={_GATEWAY_DAEMONS} "
         f"BOT_BOTTLE_ORCHESTRATOR_URL=http://127.0.0.1:{port} "
-        f"SUPERVISE_DB_PATH={_DB_PATH_IN_CONTAINER} python3 /app/gateway_init.py ) &\n"
+        f"SUPERVISE_DB_PATH={_DB_PATH_IN_CONTAINER} python3 -m bot_bottle.gateway_init ) &\n"
         "while : ; do wait ; done\n"
     )
 
diff --git a/tests/unit/test_macos_infra.py b/tests/unit/test_macos_infra.py
index 0971131..012f531 100644
--- a/tests/unit/test_macos_infra.py
+++ b/tests/unit/test_macos_infra.py
@@ -46,7 +46,9 @@ class TestInfraRun(unittest.TestCase):
         argv = self._run_container(MacosInfraService(repo_root=Path("/r")))
         script = argv[-1]
         self.assertIn("bot_bottle.orchestrator", script)
-        self.assertIn("gateway_init.py", script)
+        # Gateway launches via the installed package (there is no
+        # /app/gateway_init.py file since the daemons moved into bot_bottle).
+        self.assertIn("bot_bottle.gateway_init", script)
         self.assertIn("127.0.0.1", script)  # they reach each other on loopback
 
     def test_db_is_a_container_only_volume(self) -> None: