From 93fafcb8e22d7e9d181a53e171b27b8b93fa9b27 Mon Sep 17 00:00:00 2001
From: Julian Kornberger <jk+github@digineo.de>
Date: Mon, 7 Mar 2016 10:28:24 +0100
Subject: [PATCH] Fix panic on shutdown

---
 main.go | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/main.go b/main.go
index 13cc396..cfd0b4a 100644
--- a/main.go
+++ b/main.go
@@ -90,6 +90,10 @@ func main() {
 	log.Println("received", sig)
 
 	// Close everything at the end
-	wsserverForNodes.Close()
-	respondDaemon.Close()
+	if wsserverForNodes != nil {
+		wsserverForNodes.Close()
+	}
+	if respondDaemon != nil {
+		respondDaemon.Close()
+	}
 }