diff --git a/homeassistant/components/tesla/config_flow.py b/homeassistant/components/tesla/config_flow.py
index 194ea71a3b75a4a7ecd5aa4b9ecbebbf9eba7e1c..8dce5e238accf67ca997bc3336b9d4b48c79c1be 100644
--- a/homeassistant/components/tesla/config_flow.py
+++ b/homeassistant/components/tesla/config_flow.py
@@ -106,6 +106,7 @@ class TeslaConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
         for entry in self._async_current_entries():
             if entry.data.get(CONF_USERNAME) == username:
                 return entry
+        return None
 
 
 class OptionsFlowHandler(config_entries.OptionsFlow):