From b9c063fe31d37cf081cbfc473857226524158c7b Mon Sep 17 00:00:00 2001
From: Oliver <oliver.henry.walters@gmail.com>
Date: Sat, 6 Jun 2026 09:34:22 +1000
Subject: [PATCH] Fix for empty boolean fields (#12100)

---
 src/frontend/lib/functions/Navigation.tsx                 | 2 +-
 src/frontend/src/components/forms/fields/BooleanField.tsx | 4 ++--
 src/frontend/src/forms/CommonForms.tsx                    | 1 +
 3 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/frontend/lib/functions/Navigation.tsx b/src/frontend/lib/functions/Navigation.tsx
index 21e9324d20..939dd02115 100644
--- a/src/frontend/lib/functions/Navigation.tsx
+++ b/src/frontend/lib/functions/Navigation.tsx
@@ -55,7 +55,7 @@ export function getDetailUrl(
     }
   }
 
-  console.error(`No detail URL found for model ${model} <${pk}>`);
+  console.warn(`No detail URL found for model ${model} <${pk}>`);
   return '';
 }
 
diff --git a/src/frontend/src/components/forms/fields/BooleanField.tsx b/src/frontend/src/components/forms/fields/BooleanField.tsx
index e293d82b3c..033e58cf30 100644
--- a/src/frontend/src/components/forms/fields/BooleanField.tsx
+++ b/src/frontend/src/components/forms/fields/BooleanField.tsx
@@ -25,9 +25,9 @@ export function BooleanField({
 
   const { value } = field;
 
-  // Set default value if value is undefined
+  // Set default value if value is undefined or otherwise empty
   useEffect(() => {
-    if (value === undefined) {
+    if (value === undefined || value === null || value === '') {
       onChange(definition.default ?? false);
     }
   }, [value, definition]);
diff --git a/src/frontend/src/forms/CommonForms.tsx b/src/frontend/src/forms/CommonForms.tsx
index 71ae140ac3..c935b683de 100644
--- a/src/frontend/src/forms/CommonForms.tsx
+++ b/src/frontend/src/forms/CommonForms.tsx
@@ -197,6 +197,7 @@ export function useParameterFields({
             // This is a "checkbox" field
             setChoices([]);
             setFieldType('boolean');
+            setData('false');
           } else if (record?.choices) {
             const _choices: string[] = record.choices.split(',');