diff --git a/homeassistant/components/sensor/coinmarketcap.py b/homeassistant/components/sensor/coinmarketcap.py
index 61545fa3944..e041352af58 100644
--- a/homeassistant/components/sensor/coinmarketcap.py
+++ b/homeassistant/components/sensor/coinmarketcap.py
@@ -77,7 +77,7 @@ class CoinMarketCapSensor(Entity):
     @property
     def state(self):
         """Return the state of the sensor."""
-        return self._ticker.get('price_usd')
+        return round(self._ticker.get('price_usd'), 2)
 
     @property
     def unit_of_measurement(self):