diff --git a/homeassistant/components/sensor/radarr.py b/homeassistant/components/sensor/radarr.py
index 3b2c818a7b3..8adaeb3c71b 100644
--- a/homeassistant/components/sensor/radarr.py
+++ b/homeassistant/components/sensor/radarr.py
@@ -162,7 +162,7 @@ class RadarrSensor(Entity):
                     self.ssl, self.host, self.port, self.urlbase, start, end),
                 headers={'X-Api-Key': self.apikey}, timeout=10)
         except OSError:
-            _LOGGER.error("Host %s is not available", self.host)
+            _LOGGER.warning("Host %s is not available", self.host)
             self._available = False
             self._state = None
             return
diff --git a/homeassistant/components/sensor/sonarr.py b/homeassistant/components/sensor/sonarr.py
index 42460a83d6f..090addb5b6e 100644
--- a/homeassistant/components/sensor/sonarr.py
+++ b/homeassistant/components/sensor/sonarr.py
@@ -181,7 +181,7 @@ class SonarrSensor(Entity):
                 headers={'X-Api-Key': self.apikey},
                 timeout=10)
         except OSError:
-            _LOGGER.error("Host %s is not available", self.host)
+            _LOGGER.warning("Host %s is not available", self.host)
             self._available = False
             self._state = None
             return