diff --git a/homeassistant/components/dlink/__init__.py b/homeassistant/components/dlink/__init__.py
index 528e5182b31..40fce4acf76 100644
--- a/homeassistant/components/dlink/__init__.py
+++ b/homeassistant/components/dlink/__init__.py
@@ -23,7 +23,7 @@ async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
         entry.data[CONF_USERNAME],
         entry.data[CONF_USE_LEGACY_PROTOCOL],
     )
-    if not smartplug.authenticated and entry.data[CONF_USE_LEGACY_PROTOCOL]:
+    if not smartplug.authenticated and smartplug.use_legacy_protocol:
         raise ConfigEntryNotReady("Cannot connect/authenticate")
 
     hass.data.setdefault(DOMAIN, {})[entry.entry_id] = SmartPlugData(smartplug)
diff --git a/homeassistant/components/dlink/config_flow.py b/homeassistant/components/dlink/config_flow.py
index 686448cfd81..4499e2efffc 100644
--- a/homeassistant/components/dlink/config_flow.py
+++ b/homeassistant/components/dlink/config_flow.py
@@ -131,6 +131,6 @@ class DLinkFlowHandler(config_entries.ConfigFlow, domain=DOMAIN):
         except Exception as ex:  # pylint: disable=broad-except
             _LOGGER.exception("Unexpected exception: %s", ex)
             return "unknown"
-        if smartplug.authenticated:
-            return None
-        return "cannot_connect"
+        if not smartplug.authenticated and smartplug.use_legacy_protocol:
+            return "cannot_connect"
+        return None