From daa58f4125e89461fbb4450ac74f3f35df0923d6 Mon Sep 17 00:00:00 2001
From: Holger Vogt <holger.vogt@uni-due.de>
Date: Mon, 11 Sep 2023 22:48:50 +0200
Subject: [PATCH] Fix previous commit  [acb7f2] Allow frequency 0 Hz (make
 check will do agian).

---
 src/spicelib/parser/inp2dot.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/spicelib/parser/inp2dot.c b/src/spicelib/parser/inp2dot.c
index d6ffe39fe..97af4c3e1 100644
--- a/src/spicelib/parser/inp2dot.c
+++ b/src/spicelib/parser/inp2dot.c
@@ -215,7 +215,7 @@ dot_ac(char *line, CKTcircuit *ckt, INPtables *tab, struct card *current,
         pdef = TRUE;
     parm = INPgetValue(ckt, &line, IF_REAL, tab);	/* fstart */
     startval = parm->rValue;
-    if (startval <= 0) {
+    if (startval < 0) {
         pdef = TRUE;
         startval = parm->rValue = 1.;
     }