diff --git a/browserstack/local.py b/browserstack/local.py
index abd2312..07d92c4 100644
--- a/browserstack/local.py
+++ b/browserstack/local.py
@@ -3,8 +3,8 @@
 from browserstack.bserrors import BrowserStackLocalError
 
 class Local:
-  def __init__(self, key=os.environ['BROWSERSTACK_ACCESS_KEY'], binary_path=None):
-    self.key = key
+  def __init__(self, key=None, binary_path=None):
+    self.key = os.environ['BROWSERSTACK_ACCESS_KEY'] if 'BROWSERSTACK_ACCESS_KEY' in os.environ else key
     self.options = None
     self.local_logfile_path = os.path.join(os.getcwd(), 'local.log')
 
diff --git a/setup.py b/setup.py
index 2049746..06cf748 100644
--- a/setup.py
+++ b/setup.py
@@ -2,7 +2,7 @@
 setup(
   name = 'browserstack-local',
   packages = ['browserstack'],
-  version = '1.0.0',
+  version = '1.1.0',
   description = 'Python bindings for Browserstack Local',
   author = 'BrowserStack',
   author_email = 'support@browserstack.com',