diff --git a/cmd/dockerd/daemon_linux.go b/cmd/dockerd/daemon_linux.go
index b09fed9293..cf2d65275f 100644
--- a/cmd/dockerd/daemon_linux.go
+++ b/cmd/dockerd/daemon_linux.go
@@ -9,5 +9,5 @@ func preNotifySystem() {
 // notifySystem sends a message to the host when the server is ready to be used
 func notifySystem() {
 	// Tell the init daemon we are accepting requests
-	go systemdDaemon.SdNotify(false, "READY=1")
+	go systemdDaemon.SdNotify(false, systemdDaemon.SdNotifyReady)
 }