diff --git a/src/vpn_manager_globalprotect/vpnc.py b/src/vpn_manager_globalprotect/vpnc.py
index 4d5ce65..2ca67d7 100644
--- a/src/vpn_manager_globalprotect/vpnc.py
+++ b/src/vpn_manager_globalprotect/vpnc.py
@@ -193,7 +193,7 @@ class Config:
             iface = bus.get_proxy_object(
                 "org.freedesktop.network1", path, intro
             ).get_interface("org.freedesktop.network1.Link")
-            if await iface.get_ipv4_address_state() == "routable":
+            if await iface.get_i_pv4_address_state() == "routable":
                 # Only process interfaces with a routable IPv4 address
                 desc = json.loads(await iface.call_describe())
                 # we'll create an exclusion for any kernel-protocol, link-scoped IPv4 route on this interface.