diff --git a/portalocker/__about__.py b/portalocker/__about__.py
index 27bdd4c..61d1a88 100644
--- a/portalocker/__about__.py
+++ b/portalocker/__about__.py
@@ -1,7 +1,7 @@
 __package_name__ = 'portalocker'
 __author__ = 'Rick van Hattem'
 __email__ = 'wolph@wol.ph'
-__version__ = '1.0.0'
+__version__ = '1.0.1'
 __description__ = '''Wraps the portalocker recipe for easy usage'''
 __url__ = 'https://github.com/WoLpH/portalocker'
 
diff --git a/portalocker/utils.py b/portalocker/utils.py
index e488538..1007d7f 100644
--- a/portalocker/utils.py
+++ b/portalocker/utils.py
@@ -65,7 +65,7 @@ class Lock(object):
 
     def __init__(
             self, filename, mode='a', timeout=DEFAULT_TIMEOUT,
-            check_interval=DEFAULT_CHECK_INTERVAL, fail_when_locked=True,
+            check_interval=DEFAULT_CHECK_INTERVAL, fail_when_locked=False,
             flags=LOCK_METHOD):
         '''Lock manager with build-in timeout