diff --git a/influxdb/client.py b/influxdb/client.py
index e38d4b78..10d50d6c 100644
--- a/influxdb/client.py
+++ b/influxdb/client.py
@@ -15,6 +15,7 @@
 import requests.exceptions
 from six.moves import xrange
 from six.moves.urllib.parse import urlparse
+import requests.adapters
 
 from influxdb.line_protocol import make_lines, quote_ident, quote_literal
 from influxdb.resultset import ResultSet
@@ -99,11 +100,10 @@ def __init__(self,
             self.udp_socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
 
         self._scheme = "http"
-
         if ssl is True:
             self._scheme = "https"
 
-        self._session.mount(self._scheme, adapter)
+        self._session.mount(self._scheme + '://', adapter)
 
         if proxies is None:
             self._proxies = {}