diff --git a/app/Endpoint/Api/Http/Controllers/Product/PartController.php b/app/Endpoint/Api/Http/Controllers/Product/PartController.php
index 3b4b5bc9..04c215ac 100644
--- a/app/Endpoint/Api/Http/Controllers/Product/PartController.php
+++ b/app/Endpoint/Api/Http/Controllers/Product/PartController.php
@@ -22,7 +22,7 @@ class PartController extends Controller
     {
         $part = null;
 
-        if (filled($key = $request->query('key'))) {
+        if (filled($key = $request->query('part'))) {
             $part = ProductPart::where('key', $key)->first();
         }