From 575d898955677e5e23465004a5444e10b276ed49 Mon Sep 17 00:00:00 2001
From: Dominik Prokop <dominik.prokop@grafana.com>
Date: Thu, 7 May 2020 21:40:23 +0200
Subject: [PATCH] PanelEdit: Field Config options Fix numeric option bug
 (#24397)

---
 packages/grafana-ui/src/components/OptionsUI/number.tsx | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/packages/grafana-ui/src/components/OptionsUI/number.tsx b/packages/grafana-ui/src/components/OptionsUI/number.tsx
index 8c1e91c7688..4bbbf28ff8f 100644
--- a/packages/grafana-ui/src/components/OptionsUI/number.tsx
+++ b/packages/grafana-ui/src/components/OptionsUI/number.tsx
@@ -39,9 +39,10 @@ export const NumberValueEditor: React.FC<FieldConfigEditorProps<number, NumberFi
     [onChange]
   );
 
+  const defaultValue = value === undefined || value === null || isNaN(value) ? '' : value.toString();
   return (
     <Input
-      defaultValue={isNaN(value) ? '' : value.toString()}
+      defaultValue={defaultValue}
       min={settings?.min}
       max={settings?.max}
       type="number"