diff --git a/letsencrypt.py b/letsencrypt.py
old mode 100644
new mode 100755
index ac0317731..988d62b3a
--- a/letsencrypt.py
+++ b/letsencrypt.py
@@ -65,7 +65,7 @@ def main():
         display.setDisplay(display.NcursesDisplay())
     else:
         display.setDisplay(display.FileDisplay(sys.stdout))
-       
+
     if not server:
         if "ACMESERVER" in os.environ:
             server = os.environ["ACMESERVER"]