diff --git a/homeassistant/components/trend/binary_sensor.py b/homeassistant/components/trend/binary_sensor.py
index 1c6c75d6ce5..4b4bd48bfe3 100644
--- a/homeassistant/components/trend/binary_sensor.py
+++ b/homeassistant/components/trend/binary_sensor.py
@@ -203,7 +203,7 @@ class SensorTrend(BinarySensorEntity):
             return
 
         # Calculate gradient of linear trend
-        await self.hass.async_add_job(self._calculate_gradient)
+        await self.hass.async_add_executor_job(self._calculate_gradient)
 
         # Update state
         self._state = (