diff --git a/fritzbox_traffic.py b/fritzbox_traffic.py
index 1c9d467..2442798 100755
--- a/fritzbox_traffic.py
+++ b/fritzbox_traffic.py
@@ -21,7 +21,7 @@ from fritzconnection import FritzConnection
 
 def print_values():
     try:
-        conn = FritzConnection()
+        conn = FritzConnection(address=os.environ['fritzbox_ip'])
     except Exception as e:
         sys.exit("Couldn't get WAN traffic")