diff --git a/homeassistant/components/deconz/services.py b/homeassistant/components/deconz/services.py
index 4b840532fa6..3d12a293c39 100644
--- a/homeassistant/components/deconz/services.py
+++ b/homeassistant/components/deconz/services.py
@@ -167,12 +167,13 @@ async def async_remove_orphaned_entries_service(gateway: DeconzGateway) -> None:
     ]
 
     # Don't remove the Gateway host entry
-    gateway_host = device_registry.async_get_device(
-        connections={(CONNECTION_NETWORK_MAC, gateway.api.config.mac)},
-        identifiers=set(),
-    )
-    if gateway_host and gateway_host.id in devices_to_be_removed:
-        devices_to_be_removed.remove(gateway_host.id)
+    if gateway.api.config.mac:
+        gateway_host = device_registry.async_get_device(
+            connections={(CONNECTION_NETWORK_MAC, gateway.api.config.mac)},
+            identifiers=set(),
+        )
+        if gateway_host and gateway_host.id in devices_to_be_removed:
+            devices_to_be_removed.remove(gateway_host.id)
 
     # Don't remove the Gateway service entry
     gateway_service = device_registry.async_get_device(