diff --git a/src/dvclive/plots/metric.py b/src/dvclive/plots/metric.py
index c8a02a9c..719b5b2e 100644
--- a/src/dvclive/plots/metric.py
+++ b/src/dvclive/plots/metric.py
@@ -38,7 +38,7 @@ def dump(self, val, **kwargs) -> None:
         existed = self.output_path.exists()
         with open(self.output_path, "a", encoding="utf-8", newline="") as fobj:
             writer = csv.DictWriter(
-                fobj, row.keys(), delimiter="\t", lineterminator="\n"
+                fobj, row.keys(), delimiter="\t", lineterminator=os.linesep
             )
             if not existed:
                 writer.writeheader()