diff --git a/src/ci_orchestrator/commands/report.py b/src/ci_orchestrator/commands/report.py
index 47dbb8a..9543e66 100644
--- a/src/ci_orchestrator/commands/report.py
+++ b/src/ci_orchestrator/commands/report.py
@@ -42,7 +42,8 @@ def _read_events(jsonl_path: Path) -> list[_Event]:
             continue
         if not isinstance(obj, dict):
             continue
-        data = obj.get("data") if isinstance(obj.get("data"), dict) else {}
+        _raw = obj.get("data")
+        data: dict[str, object] = _raw if isinstance(_raw, dict) else {}
         elapsed: int | None = None
         raw_elapsed = data.get("elapsedSec")
         if isinstance(raw_elapsed, int | float):