diff --git a/signals.go b/signals.go
index a992dc4ab..936d751f6 100644
--- a/signals.go
+++ b/signals.go
@@ -114,7 +114,7 @@ func (h *signalHandler) forward(process *libcontainer.Process, tty *tty, detach
 		default:
 			us := s.(unix.Signal)
 			logrus.Debugf("forwarding signal %d (%s) to %d", int(us), unix.SignalName(us), pid1)
-			if err := unix.Kill(pid1, us); err != nil {
+			if err := process.Signal(s); err != nil {
 				logrus.Error(err)
 			}
 		}