diff --git a/teslajsonpy/connection.py b/teslajsonpy/connection.py
index 41d3b658..c206dbda 100644
--- a/teslajsonpy/connection.py
+++ b/teslajsonpy/connection.py
@@ -122,6 +122,10 @@ async def post(self, command, method="post", data=None):
                 auth = await self.refresh_access_token(
                     refresh_token=self.sso_oauth.get("refresh_token")
                 )
+            elif self.refresh_token:
+                auth = await self.refresh_access_token(
+                    refresh_token=self.refresh_token
+                )
             if auth and all(
                 (
                     auth.get(item)