diff --git a/src/lightning/pytorch/loops/dataloader/evaluation_loop.py b/src/lightning/pytorch/loops/dataloader/evaluation_loop.py
index 9542f52f3e62b..2b32c215b3ffe 100644
--- a/src/lightning/pytorch/loops/dataloader/evaluation_loop.py
+++ b/src/lightning/pytorch/loops/dataloader/evaluation_loop.py
@@ -375,8 +375,8 @@ def _print_results(results: List[_OUT_DICT], stage: str) -> None:
 
                 try:
                     # some terminals do not support this character
-                    if sys.stdout.encoding is not None:
-                        "─".encode(sys.stdout.encoding)
+                    if sys.__stdout__.encoding is not None:
+                        "─".encode(sys.__stdout__.encoding)
                 except UnicodeEncodeError:
                     bar_character = "-"
                 else: