diff --git a/homeassistant/components/portainer/coordinator.py b/homeassistant/components/portainer/coordinator.py
index a9f6a23a8228..179f8a84610b 100644
--- a/homeassistant/components/portainer/coordinator.py
+++ b/homeassistant/components/portainer/coordinator.py
@@ -26,7 +26,7 @@ from pyportainer.models.stacks import Stack
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import CONF_URL
 from homeassistant.core import HomeAssistant
-from homeassistant.exceptions import ConfigEntryAuthFailed, ConfigEntryNotReady
+from homeassistant.exceptions import ConfigEntryAuthFailed
 from homeassistant.helpers.update_coordinator import DataUpdateCoordinator, UpdateFailed
 
 from .const import DOMAIN, ContainerState, EndpointStatus
@@ -118,13 +118,13 @@ class PortainerCoordinator(DataUpdateCoordinator[dict[int, PortainerCoordinatorD
                 translation_placeholders={"error": repr(err)},
             ) from err
         except PortainerConnectionError as err:
-            raise ConfigEntryNotReady(
+            raise UpdateFailed(
                 translation_domain=DOMAIN,
                 translation_key="cannot_connect",
                 translation_placeholders={"error": repr(err)},
             ) from err
         except PortainerTimeoutError as err:
-            raise ConfigEntryNotReady(
+            raise UpdateFailed(
                 translation_domain=DOMAIN,
                 translation_key="timeout_connect",
                 translation_placeholders={"error": repr(err)},