diff --git a/.changes/nfc-is-available-fix.md b/.changes/nfc-is-available-fix.md
new file mode 100644
index 000000000..8a16504f1
--- /dev/null
+++ b/.changes/nfc-is-available-fix.md
@@ -0,0 +1,6 @@
+---
+"nfc": "patch"
+"nfc-js": "patch"
+---
+
+Update return value of `isAvailable` to match TypeScript function signature
diff --git a/plugins/nfc/guest-js/index.ts b/plugins/nfc/guest-js/index.ts
index 051a1841f..9c1fa10b2 100644
--- a/plugins/nfc/guest-js/index.ts
+++ b/plugins/nfc/guest-js/index.ts
@@ -269,5 +269,8 @@ export async function write(
 }
 
 export async function isAvailable(): Promise<boolean> {
-  return await invoke('plugin:nfc|is_available')
+  const { available }: { available: boolean } = await invoke(
+    'plugin:nfc|is_available'
+  )
+  return available
 }