From 54142f4f15187b878fdd3d6698ac82379f3c2080 Mon Sep 17 00:00:00 2001
From: Jakob Ketterl <jakob.ketterl@gmx.de>
Date: Sat, 27 Feb 2021 01:23:59 +0100
Subject: [PATCH] allow squelch_auto_margin = 0

---
 htdocs/lib/DemodulatorPanel.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/htdocs/lib/DemodulatorPanel.js b/htdocs/lib/DemodulatorPanel.js
index be3269f..33751b0 100644
--- a/htdocs/lib/DemodulatorPanel.js
+++ b/htdocs/lib/DemodulatorPanel.js
@@ -341,7 +341,7 @@ DemodulatorPanel.prototype.updateSquelch = function() {
 };
 
 DemodulatorPanel.prototype.setSquelchMargin = function(margin) {
-    if (!margin || this.squelchMargin == margin) return;
+    if (typeof(margin) === 'undefined' || this.squelchMargin == margin) return;
     this.squelchMargin = margin;
 };