From 41d9d32e2147bc4eb1e51204eb933002a28b4e04 Mon Sep 17 00:00:00 2001
From: AutomatedTester <david.burns@theautomatedtester.co.uk>
Date: Tue, 25 Apr 2017 11:57:26 +0100
Subject: [PATCH] Add back the ability to set profile when using Firefox 45ESR.
 Fixes #3897

---
 py/selenium/webdriver/remote/webdriver.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/py/selenium/webdriver/remote/webdriver.py b/py/selenium/webdriver/remote/webdriver.py
index 9ad855cd8d27f..239e24384b881 100644
--- a/py/selenium/webdriver/remote/webdriver.py
+++ b/py/selenium/webdriver/remote/webdriver.py
@@ -178,7 +178,10 @@ def start_session(self, capabilities, browser_profile=None):
             raise InvalidArgumentException("Capabilities must be a dictionary")
         w3c_caps = {"firstMatch": [], "alwaysMatch": {}}
         if browser_profile:
-            capabilities["moz:firefoxOptions"]["profile"] = browser_profile.encoded
+            if "moz:firefoxOptions" in capabilities:
+                capabilities["moz:firefoxOptions"]["profile"] = browser_profile.encoded
+            else:
+                capabilities['desiredCapabilities'] = {'firefox_profile': browser_profile.encoded}
         w3c_caps["alwaysMatch"].update(capabilities)
         parameters = {"capabilities": w3c_caps,
                       "desiredCapabilities": capabilities}