diff --git a/letsencrypt/client/apache_configurator.py b/letsencrypt/client/apache_configurator.py
index 389530e56..b95d5c8bb 100644
--- a/letsencrypt/client/apache_configurator.py
+++ b/letsencrypt/client/apache_configurator.py
@@ -1116,7 +1116,7 @@ LogLevel warn \n\
         self.save("SNI Challenge", True)
         self.restart(True)
 
-        s = le_util.jose_b64encode(s)  # TODO: s.encode?
+        s = le_util.jose_b64encode(s)
         return {"type":"dvsni", "s":s}
 
     def cleanup(self):