diff --git a/homeassistant/components/pegel_online/entity.py b/homeassistant/components/pegel_online/entity.py
index 118392c6a69..c8a01623c7d 100644
--- a/homeassistant/components/pegel_online/entity.py
+++ b/homeassistant/components/pegel_online/entity.py
@@ -8,7 +8,7 @@ from .const import DOMAIN
 from .coordinator import PegelOnlineDataUpdateCoordinator
 
 
-class PegelOnlineEntity(CoordinatorEntity):
+class PegelOnlineEntity(CoordinatorEntity[PegelOnlineDataUpdateCoordinator]):
     """Representation of a PEGELONLINE entity."""
 
     _attr_has_entity_name = True