diff --git a/Tests/test_file_png.py b/Tests/test_file_png.py
index 14ad6fae1..15d74ca6b 100644
--- a/Tests/test_file_png.py
+++ b/Tests/test_file_png.py
@@ -715,7 +715,7 @@ class TestFilePng:
 
     @pytest.mark.parametrize("buffer", (True, False))
     def test_save_stdout(self, buffer):
-        old_stdout = sys.stdout.buffer
+        old_stdout = sys.stdout
 
         if buffer:
 
diff --git a/Tests/test_psdraw.py b/Tests/test_psdraw.py
index cda6a2be1..e74d79828 100644
--- a/Tests/test_psdraw.py
+++ b/Tests/test_psdraw.py
@@ -49,7 +49,7 @@ def test_draw_postscript(tmp_path):
 @pytest.mark.parametrize("buffer", (True, False))
 def test_stdout(buffer):
     # Temporarily redirect stdout
-    old_stdout = sys.stdout.buffer
+    old_stdout = sys.stdout
 
     if buffer: