diff --git a/homeassistant/components/risco/config_flow.py b/homeassistant/components/risco/config_flow.py
index 91e12a2548a..e0d51a041dd 100644
--- a/homeassistant/components/risco/config_flow.py
+++ b/homeassistant/components/risco/config_flow.py
@@ -158,6 +158,7 @@ class ConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
             try:
                 info = await validate_local_input(self.hass, user_input)
             except CannotConnectError:
+                _LOGGER.exception("Cannot connect")
                 errors["base"] = "cannot_connect"
             except UnauthorizedError:
                 errors["base"] = "invalid_auth"