diff --git a/src/multitail2.py b/src/multitail2.py
index a0a941a..4605bf9 100644
--- a/src/multitail2.py
+++ b/src/multitail2.py
@@ -4,6 +4,9 @@
 import os
 import random
 import six
+import sys
+
+is_windows = sys.platform == 'win32'
 
 __version__ = "1.5.2"
 logger = logging.getLogger(__name__)
@@ -27,7 +30,8 @@ def _close(self):
 
    def _open(self, path, skip_to_end = True, offset = None):
       """Open `path`, optionally seeking to the end if `skip_to_end` is True."""
-      fh = os.fdopen(os.open(path, os.O_RDONLY | os.O_NONBLOCK))
+      flags = os.O_RDONLY if is_windows else (os.O_RDONLY | os.O_NONBLOCK)
+      fh = os.fdopen(os.open(path, flags))
 
       # If the file is being opened for the first time, jump to the end.
       # Otherwise, it is being reopened after a rotation, and we want