diff --git a/clearml/utilities/files.py b/clearml/utilities/files.py
index 59698f7c..5770406d 100644
--- a/clearml/utilities/files.py
+++ b/clearml/utilities/files.py
@@ -7,19 +7,22 @@ import psutil
 
 def get_filename_max_length(dir_path):
     # type: (str) -> int
+    default = 255  # Common filesystems like NTFS, EXT4 and HFS+ limited with 255
     try:
         dir_path = pathlib2.Path(os.path.abspath(dir_path))
         if platform == "win32":
+            # noinspection PyBroadException
             dir_drive = dir_path.drive
             for drv in psutil.disk_partitions():
                 if drv.device.startswith(dir_drive):
-                    return drv.maxfile
+                    # The maxfile attribute is only available in psutil >=5.7.4,<6.0.0
+                    return getattr(drv, "maxfile", default)
         elif platform in ("linux", "darwin"):
             return os.statvfs(dir_path).f_namemax
     except Exception as err:
         print(err)
 
-    return 255  # Common filesystems like NTFS, EXT4 and HFS+ limited with 255
+    return default
 
 
 def is_path_traversal(target_folder, relative_path):