diff --git a/homeassistant/components/hassio/__init__.py b/homeassistant/components/hassio/__init__.py
index 2ae4faa7878..8c7f86700e7 100644
--- a/homeassistant/components/hassio/__init__.py
+++ b/homeassistant/components/hassio/__init__.py
@@ -159,7 +159,9 @@ SCHEMA_ADDON_STDIN = SCHEMA_ADDON.extend(
 
 SCHEMA_BACKUP_FULL = vol.Schema(
     {
-        vol.Optional(ATTR_NAME): cv.string,
+        vol.Optional(
+            ATTR_NAME, default=lambda: utcnow().strftime("%Y-%m-%d %H:%M:%S")
+        ): cv.string,
         vol.Optional(ATTR_PASSWORD): cv.string,
         vol.Optional(ATTR_COMPRESSED): cv.boolean,
         vol.Optional(ATTR_LOCATION): vol.All(
diff --git a/tests/components/hassio/test_init.py b/tests/components/hassio/test_init.py
index 9d83537859a..0dff261d864 100644
--- a/tests/components/hassio/test_init.py
+++ b/tests/components/hassio/test_init.py
@@ -483,6 +483,7 @@ async def test_service_register(hassio_env, hass: HomeAssistant) -> None:
     assert hass.services.has_service("hassio", "restore_partial")
 
 
+@pytest.mark.freeze_time("2021-11-13 11:48:00")
 async def test_service_calls(
     hassio_env,
     hass: HomeAssistant,
@@ -541,6 +542,7 @@ async def test_service_calls(
 
     assert aioclient_mock.call_count == 14
     assert aioclient_mock.mock_calls[-1][2] == {
+        "name": "2021-11-13 11:48:00",
         "homeassistant": True,
         "addons": ["test"],
         "folders": ["ssl"],
@@ -575,6 +577,7 @@ async def test_service_calls(
         "hassio",
         "backup_full",
         {
+            "name": "backup_name",
             "location": "backup_share",
         },
     )
@@ -582,6 +585,7 @@ async def test_service_calls(
 
     assert aioclient_mock.call_count == 17
     assert aioclient_mock.mock_calls[-1][2] == {
+        "name": "backup_name",
         "location": "backup_share",
     }
 
@@ -596,6 +600,7 @@ async def test_service_calls(
 
     assert aioclient_mock.call_count == 18
     assert aioclient_mock.mock_calls[-1][2] == {
+        "name": "2021-11-13 11:48:00",
         "location": None,
     }