diff --git a/companion.py b/companion.py
index e0780c4..b2bfa1b 100644
--- a/companion.py
+++ b/companion.py
@@ -1,9 +1,14 @@
-import easygui
 from edmc import companion as c
 import platform
 
 companion_session = c.Session()
 
+if platform.system() == 'Windows':
+  import easygui
+  import os
+  import requests.certs
+  os.environ['REQUESTS_CA_BUNDLE'] = requests.certs.where()
+
 def login(username, password):
   try:
     companion_session.login(username, password)