diff --git a/frigate/events/external.py b/frigate/events/external.py
index fed33b0f7..23439f2bd 100644
--- a/frigate/events/external.py
+++ b/frigate/events/external.py
@@ -58,7 +58,11 @@ class ExternalEventProcessor:
                     "sub_label": sub_label,
                     "camera": camera,
                     "start_time": now - camera_config.record.events.pre_capture,
-                    "end_time": now + duration + camera_config.record.events.post_capture if duration is not None else None,
+                    "end_time": now
+                    + duration
+                    + camera_config.record.events.post_capture
+                    if duration is not None
+                    else None,
                     "thumbnail": thumbnail,
                     "has_clip": camera_config.record.enabled and include_recording,
                     "has_snapshot": True,