diff --git a/defSS.py b/defSS.py
index 189e4dc..5ae6fb8 100644
--- a/defSS.py
+++ b/defSS.py
@@ -9,7 +9,7 @@ from selenium import webdriver
 import time
 def getSS(icao):
     chrome_options = webdriver.ChromeOptions()
-    chrome_options.add_argument('--headless')
+    chrome_options.headless = True
     chrome_options.add_argument('window-size=800,800')
     #chrome_options.add_argument('--no-sandbox') # required when running as root user. otherwise you would get no sandbox errors.
     browser = webdriver.Chrome(options=chrome_options)