diff --git a/homeassistant/components/freebox/sensor.py b/homeassistant/components/freebox/sensor.py
index e8f9658630066f9aff400f57a54cb68e44c3f42f..61ec670d217ef8eea923c3f989d67fcb7b85605e 100644
--- a/homeassistant/components/freebox/sensor.py
+++ b/homeassistant/components/freebox/sensor.py
@@ -18,6 +18,8 @@ class FbxSensor(Entity):
     """Representation of a freebox sensor."""
 
     _name = "generic"
+    _unit = None
+    _icon = None
 
     def __init__(self, fbx):
         """Initialize the sensor."""
@@ -30,6 +32,16 @@ class FbxSensor(Entity):
         """Return the name of the sensor."""
         return self._name
 
+    @property
+    def unit_of_measurement(self):
+        """Return the unit of the sensor."""
+        return self._unit
+
+    @property
+    def icon(self):
+        """Return the icon of the sensor."""
+        return self._icon
+
     @property
     def state(self):
         """Return the state of the sensor."""
@@ -45,11 +57,7 @@ class FbxRXSensor(FbxSensor):
 
     _name = "Freebox download speed"
     _unit = "KB/s"
-
-    @property
-    def unit_of_measurement(self):
-        """Define the unit."""
-        return self._unit
+    _icon = "mdi:download-network"
 
     async def async_update(self):
         """Get the value from fetched datas."""
@@ -63,11 +71,7 @@ class FbxTXSensor(FbxSensor):
 
     _name = "Freebox upload speed"
     _unit = "KB/s"
-
-    @property
-    def unit_of_measurement(self):
-        """Define the unit."""
-        return self._unit
+    _icon = "mdi:upload-network"
 
     async def async_update(self):
         """Get the value from fetched datas."""