From 17f4ae2cff168c48627c3235b2cfd7917a54de5c Mon Sep 17 00:00:00 2001
From: cyrus <mdoaie@yahoo.co.uk>
Date: Fri, 9 Oct 2020 16:57:21 +0330
Subject: [PATCH] [Addon-knob] Fix uncontrolled to controlled warning for
 booleans

Same as #12322 to fix knob addon
---
 addons/knobs/src/components/types/Boolean.tsx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/addons/knobs/src/components/types/Boolean.tsx b/addons/knobs/src/components/types/Boolean.tsx
index 393363679b32..452dbd74f151 100644
--- a/addons/knobs/src/components/types/Boolean.tsx
+++ b/addons/knobs/src/components/types/Boolean.tsx
@@ -35,7 +35,7 @@ const BooleanType: FunctionComponent<BooleanTypeProps> & {
     name={knob.name}
     type="checkbox"
     onChange={(e) => onChange(e.target.checked)}
-    checked={knob.value}
+    checked={knob.value || false}
   />
 );