diff --git a/homeassistant/components/solarlog/config_flow.py b/homeassistant/components/solarlog/config_flow.py
index 9f6397bb62e..eb0971e0d92 100644
--- a/homeassistant/components/solarlog/config_flow.py
+++ b/homeassistant/components/solarlog/config_flow.py
@@ -62,7 +62,7 @@ class SolarLogConfigFlow(ConfigFlow, domain=DOMAIN):
             self._errors = {CONF_HOST: "unknown"}
             return False
         finally:
-            solarlog.client.close()
+            await solarlog.client.close()
 
         return True