diff --git a/src/devices/nm-device.c b/src/devices/nm-device.c
index 26ea06bda9..f2dbe6594d 100644
--- a/src/devices/nm-device.c
+++ b/src/devices/nm-device.c
@@ -5486,7 +5486,7 @@ nm_device_generate_connection (NMDevice *self,
 
 	klass->update_connection (self, connection);
 
-	if (!nm_connection_normalize (connection, NULL, NULL, error)) {
+	if (!nm_connection_normalize (connection, NULL, NULL, &local)) {
 		g_set_error (error, NM_DEVICE_ERROR, NM_DEVICE_ERROR_FAILED,
 		             "generated connection does not verify: %s",
 		             local->message);