diff --git a/homeassistant/components/obihai/__init__.py b/homeassistant/components/obihai/__init__.py
index a3e16fbad76..0ba0b3dfc5e 100644
--- a/homeassistant/components/obihai/__init__.py
+++ b/homeassistant/components/obihai/__init__.py
@@ -36,9 +36,9 @@ async def async_migrate_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
         device_mac = await hass.async_add_executor_job(
             requester.pyobihai.get_device_mac
         )
-        hass.config_entries.async_update_entry(entry, unique_id=format_mac(device_mac))
-
-        entry.version = 2
+        hass.config_entries.async_update_entry(
+            entry, unique_id=format_mac(device_mac), version=2
+        )
 
     LOGGER.info("Migration to version %s successful", entry.version)