diff --git a/custom_components/aurora_solar/__init__.py b/custom_components/aurora_solar/__init__.py
index dace57a..78ad290 100644
--- a/custom_components/aurora_solar/__init__.py
+++ b/custom_components/aurora_solar/__init__.py
@@ -7,9 +7,11 @@ async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
     hass.data.setdefault(DOMAIN, {})
     hass.data[DOMAIN][entry.entry_id] = {
         CONF_HOST: entry.data[CONF_HOST],
-        CONF_PORT: entry.data[CONF_PORT]
+        CONF_PORT: entry.data[CONF_PORT],
+        CONF_SLAVE_ID: entry.data[CONF_SLAVE_ID]
     }
     return True
 
 async def async_unload_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
     return True
+