From 9f86c80c33af34fd17f7267283e475143495ca2c Mon Sep 17 00:00:00 2001
From: Joachim Bauch <bauch@struktur.de>
Date: Wed, 23 Mar 2022 11:46:17 +0100
Subject: [PATCH] Only stop MCU if started before.

---
 proxy/proxy_server.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/proxy/proxy_server.go b/proxy/proxy_server.go
index 1128829..990b5e8 100644
--- a/proxy/proxy_server.go
+++ b/proxy/proxy_server.go
@@ -357,7 +357,9 @@ func (s *ProxyServer) Stop() {
 		return
 	}
 
-	s.mcu.Stop()
+	if s.mcu != nil {
+		s.mcu.Stop()
+	}
 	s.tokens.Close()
 }