diff --git a/python/redfish-api/redfish_exporter.py b/python/redfish-api/redfish_exporter.py
index 52ad180..538885c 100644
--- a/python/redfish-api/redfish_exporter.py
+++ b/python/redfish-api/redfish_exporter.py
@@ -269,16 +269,18 @@ async def run_exporter(config, stop_event):
     # Connection pooling with aiohttp
     connector = aiohttp.TCPConnector(limit_per_host=5, limit=50, ttl_dns_cache=300)
     async with aiohttp.ClientSession(connector=connector) as session:
-        hosts = [HostConfig(**h) for h in config["hosts"]]
-        while not stop_event.is_set():
-            tasks = [get_power_data(session, hc) for hc in host_objs]
-
-            await asyncio.gather(*tasks)
-            await process_request(interval)
-            # shutdown service
+        try:
+            while not stop_event.is_set():
+                tasks = [get_power_data(session, hc) for hc in host_objs]
+                await asyncio.gather(*tasks)
+                await process_request(interval)
+        finally:
+            # Graceful shutdown: logout from Redfish sessions
             logging.info("Exporter stopping, logging out from Redfish sessions...")
-            await asyncio.gather(*(logout_host(session, h) for h in hosts if h.session_token))
-
+            await asyncio.gather(
+                *(logout_host(session, h) for h in host_objs if h.session_token)
+            )
+            logging.info("All sessions logged out.")
     logging.info("Exporter stopped cleanly.")