diff --git a/Device.go b/Device.go
index 1995c7c..d38ba07 100644
--- a/Device.go
+++ b/Device.go
@@ -139,7 +139,7 @@ func (d *device) GetState() NmDeviceState {
 }
 
 func (d *device) GetIP4Config() IP4Config {
-	path := d.getObjectProperty(DevicePropertyIp4Address)
+	path := d.getObjectProperty(DevicePropertyIp4Config)
 	if path == "/" {
 		return nil
 	}
diff --git a/README.md b/README.md
index c2dc6be..e0b88e5 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@ gonetworkmanager
 
 Go D-Bus bindings for NetworkManager.
 
-Currently tested with NetworkManager 0.9.8.10.
+Currently tested with NetworkManager 1.16.0.
 
 [![GoDoc](https://godoc.org/github.com/BellerophonMobile/gonetworkmanager?status.svg)](https://godoc.org/github.com/BellerophonMobile/gonetworkmanager)