diff --git a/routes/reslevis.py b/routes/reslevis.py
index f807530..0267264 100644
--- a/routes/reslevis.py
+++ b/routes/reslevis.py
@@ -175,6 +175,20 @@ async def _fetch_tracks_for_tracker(
     tracker_id: str,
     params: Optional[dict] = None,
 ) -> List[dict]:
+    query_params = dict(params or {})
+    query_params["id"] = tracker_id
+
+    try:
+        payload = await _core_get_json(client, "/reslevis/getTracks", params=query_params)
+        if not isinstance(payload, list):
+            raise HTTPException(status_code=502, detail="Unexpected CORE response type")
+        direct_rows = [_normalize_track(row) for row in payload if isinstance(row, dict)]
+        if direct_rows:
+            return direct_rows
+    except HTTPException as exc:
+        if exc.status_code != 404:
+            raise
+
     payload = await _core_get_json(client, f"/reslevis/getTracks/{tracker_id}", params=params)
     if not isinstance(payload, list):
         raise HTTPException(status_code=502, detail="Unexpected CORE response type")
@@ -191,7 +205,9 @@ async def _fetch_all_tracks(params: dict) -> List[dict]:
             payload = await _core_get_json(client, "/reslevis/getTracks", params=params)
             if not isinstance(payload, list):
                 raise HTTPException(status_code=502, detail="Unexpected CORE response type")
-            return [_normalize_track(row) for row in payload if isinstance(row, dict)]
+            direct_rows = [_normalize_track(row) for row in payload if isinstance(row, dict)]
+            if direct_rows:
+                return direct_rows
         except HTTPException as exc:
             if exc.status_code != 404:
                 raise