diff --git a/mdgo/forcefield/crawler.py b/mdgo/forcefield/crawler.py
index cad3e2c7..7b2fc5ac 100644
--- a/mdgo/forcefield/crawler.py
+++ b/mdgo/forcefield/crawler.py
@@ -73,6 +73,7 @@ def __init__(
             "profile.managed_default_content_settings.images": 2,
         }
         self.options = webdriver.ChromeOptions()
+        self.server = webdriver.ChromeService(chromedriver_dir)
         self.options.add_argument(
             'user-agent="Mozilla/5.0 '
             "(Macintosh; Intel Mac OS X 10_14_6) "
@@ -87,7 +88,7 @@ def __init__(
         if chromedriver_dir is None:
             self.web = webdriver.Chrome(options=self.options)
         else:
-            self.web = webdriver.Chrome(chromedriver_dir, options=self.options)
+            self.web = webdriver.Chrome(service=self.server, options=self.options)
         self.wait = WebDriverWait(self.web, 10)
         self.web.get("http://zarbi.chem.yale.edu/ligpargen/")
         time.sleep(1)