diff --git a/homeassistant/components/template/binary_sensor.py b/homeassistant/components/template/binary_sensor.py
index bd6cb55b880..2e50448c037 100644
--- a/homeassistant/components/template/binary_sensor.py
+++ b/homeassistant/components/template/binary_sensor.py
@@ -194,3 +194,8 @@ class BinarySensorTemplate(TemplateEntity, BinarySensorEntity):
     def is_on(self):
         """Return true if sensor is on."""
         return self._state
+
+    @property
+    def device_class(self):
+        """Return the sensor class of the binary sensor."""
+        return self._device_class
diff --git a/tests/components/template/test_binary_sensor.py b/tests/components/template/test_binary_sensor.py
index 7003b55c7ed..f9db8be37c6 100644
--- a/tests/components/template/test_binary_sensor.py
+++ b/tests/components/template/test_binary_sensor.py
@@ -6,6 +6,7 @@ from unittest import mock
 
 from homeassistant import setup
 from homeassistant.const import (
+    ATTR_DEVICE_CLASS,
     EVENT_HOMEASSISTANT_START,
     STATE_OFF,
     STATE_ON,
@@ -411,7 +412,10 @@ async def test_available_without_availability_template(hass):
     await hass.async_start()
     await hass.async_block_till_done()
 
-    assert hass.states.get("binary_sensor.test").state != STATE_UNAVAILABLE
+    state = hass.states.get("binary_sensor.test")
+
+    assert state.state != STATE_UNAVAILABLE
+    assert state.attributes[ATTR_DEVICE_CLASS] == "motion"
 
 
 async def test_availability_template(hass):
@@ -443,7 +447,10 @@ async def test_availability_template(hass):
     hass.states.async_set("sensor.test_state", STATE_ON)
     await hass.async_block_till_done()
 
-    assert hass.states.get("binary_sensor.test").state != STATE_UNAVAILABLE
+    state = hass.states.get("binary_sensor.test")
+
+    assert state.state != STATE_UNAVAILABLE
+    assert state.attributes[ATTR_DEVICE_CLASS] == "motion"
 
 
 async def test_invalid_attribute_template(hass, caplog):