diff --git a/homeassistant/components/nmap_tracker/device_tracker.py b/homeassistant/components/nmap_tracker/device_tracker.py
index bada45256a8..9b5597b6ba4 100644
--- a/homeassistant/components/nmap_tracker/device_tracker.py
+++ b/homeassistant/components/nmap_tracker/device_tracker.py
@@ -46,6 +46,7 @@ class NmapTrackerEntity(ScannerEntity):
     """An Nmap Tracker entity."""
 
     _attr_should_poll = False
+    _attr_translation_key = "device_tracker"
 
     def __init__(
         self, nmap_tracker: NmapDeviceScanner, mac_address: str, active: bool
@@ -98,11 +99,6 @@ class NmapTrackerEntity(ScannerEntity):
         """Return tracker source type."""
         return SourceType.ROUTER
 
-    @property
-    def icon(self) -> str:
-        """Return device icon."""
-        return "mdi:lan-connect" if self._active else "mdi:lan-disconnect"
-
     @callback
     def async_process_update(self, online: bool) -> None:
         """Update device."""
diff --git a/homeassistant/components/nmap_tracker/icons.json b/homeassistant/components/nmap_tracker/icons.json
new file mode 100644
index 00000000000..02d1d17b92b
--- /dev/null
+++ b/homeassistant/components/nmap_tracker/icons.json
@@ -0,0 +1,12 @@
+{
+  "entity": {
+    "device_tracker": {
+      "device_tracker": {
+        "default": "mdi:lan-disconnect",
+        "state": {
+          "home": "mdi:lan-connect"
+        }
+      }
+    }
+  }
+}