diff --git a/certbot_glesys.py b/certbot_glesys.py
index 9375b4b..6c05ecd 100644
--- a/certbot_glesys.py
+++ b/certbot_glesys.py
@@ -31,7 +31,7 @@ def split_domain(domain):
 
 
 class GlesysDomainApiClient(object):
-    base_url = u" https://api.glesys.com/"
+    base_url = u"https://api.glesys.com/"
 
     def __init__(self, username, password):
         self._client = Session()