From 4dff827763f7872c963ac99cac9842e0e7447de6 Mon Sep 17 00:00:00 2001
From: Holger Vogt <holger.vogt@uni-due.de>
Date: Wed, 4 Mar 2020 14:46:35 +0100
Subject: [PATCH] prevent crash if premature exit (without ckt)

---
 src/frontend/runcoms2.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/frontend/runcoms2.c b/src/frontend/runcoms2.c
index cb42e38ab..7f2d10826 100644
--- a/src/frontend/runcoms2.c
+++ b/src/frontend/runcoms2.c
@@ -243,7 +243,8 @@ com_remcirc(wordlist *wl)
 
 #if defined(XSPICE) && defined(SIMULATOR)
     /* remove event queues, if XSPICE and not nutmeg */
-    EVTunsetup(ft_curckt->ci_ckt);
+    if (ft_curckt->ci_ckt)
+        EVTunsetup(ft_curckt->ci_ckt);
 #endif
 
     if_cktfree(ft_curckt->ci_ckt, ft_curckt->ci_symtab);