diff --git a/plugins/card-resources/src/components/MasterTagAttributes.svelte b/plugins/card-resources/src/components/MasterTagAttributes.svelte
index 61142779b6..e8826859f2 100644
--- a/plugins/card-resources/src/components/MasterTagAttributes.svelte
+++ b/plugins/card-resources/src/components/MasterTagAttributes.svelte
@@ -63,7 +63,12 @@
   async function toggleLock (ev: MouseEvent): Promise<void> {
     ev.stopPropagation()
     const op = isLocked ? '$pull' : '$push'
-    await client.update(value, { [op]: { readonlySections: value._class } })
+    const targets = isLocked
+      ? hierarchy.getAncestors(value._class).filter((p) => value.readonlySections?.includes(p))
+      : [value._class]
+    for (const target of targets) {
+      await client.update(value, { [op]: { readonlySections: target } })
+    }
   }
 </script>