diff --git a/homeassistant/components/logbook/__init__.py b/homeassistant/components/logbook/__init__.py
index 35fa17bb3a4f2..549518e875a94 100644
--- a/homeassistant/components/logbook/__init__.py
+++ b/homeassistant/components/logbook/__init__.py
@@ -271,7 +271,7 @@ async def ws_get_events(
         return
 
     if start_time > utc_now:
-        connection.send_result(msg["id"], {})
+        connection.send_result(msg["id"], [])
         return
 
     entity_ids = msg.get("entity_ids")
diff --git a/tests/components/logbook/test_init.py b/tests/components/logbook/test_init.py
index ed95b4d10bcdd..dddbbc611340d 100644
--- a/tests/components/logbook/test_init.py
+++ b/tests/components/logbook/test_init.py
@@ -2391,6 +2391,7 @@ async def test_get_events_future_start_time(hass, hass_ws_client, recorder_mock)
     assert response["id"] == 1
 
     results = response["result"]
+    assert isinstance(results, list)
     assert len(results) == 0