diff --git a/custom_components/mikrotik_router/device_tracker.py b/custom_components/mikrotik_router/device_tracker.py
index a751b1c..0fc63bb 100644
--- a/custom_components/mikrotik_router/device_tracker.py
+++ b/custom_components/mikrotik_router/device_tracker.py
@@ -11,6 +11,7 @@ from homeassistant.const import (
 from homeassistant.core import callback
 from homeassistant.helpers.device_registry import CONNECTION_NETWORK_MAC
 from homeassistant.helpers.dispatcher import async_dispatcher_connect
+from homeassistant.util.dt import get_age
 
 from .const import (
     DOMAIN,
@@ -301,6 +302,12 @@ class MikrotikControllerHostDeviceTracker(ScannerEntity):
 
         for variable in DEVICE_ATTRIBUTES_HOST:
             if variable in self._data:
-                attributes[format_attribute(variable)] = self._data[variable]
+                if variable == "last-seen":
+                    if self._data[variable]:
+                        attributes[format_attribute(variable)] = get_age(self._data[variable])
+                    else:
+                        attributes[format_attribute(variable)] = "unknown"
+                else:
+                    attributes[format_attribute(variable)] = self._data[variable]
 
         return attributes
diff --git a/custom_components/mikrotik_router/mikrotik_controller.py b/custom_components/mikrotik_router/mikrotik_controller.py
index 74bf3e2..c1101f6 100644
--- a/custom_components/mikrotik_router/mikrotik_controller.py
+++ b/custom_components/mikrotik_router/mikrotik_controller.py
@@ -775,3 +775,7 @@ class MikrotikControllerData:
             # Update last seen
             if self.data["host"][uid]["available"]:
                 self.data["host"][uid]["last-seen"] = utcnow()
+
+        # TEMP DEBUG
+        for uid, vals in self.data["host"].items():
+            _LOGGER.warning("HOST %s: %s", uid, vals)