--- a/src/mattermostdriver/websocket.py
+++ b/src/mattermostdriver/websocket.py
@@ -26,7 +26,7 @@
 		:type event_handler: Function(message)
 		:return:
 		"""
-		context = ssl.create_default_context(purpose=ssl.Purpose.CLIENT_AUTH)
+		context = ssl.create_default_context(purpose=ssl.Purpose.SERVER_AUTH)
 		if not self.options['verify']:
 			context.verify_mode = ssl.CERT_NONE