diff --git a/InvenTree/company/test_api.py b/InvenTree/company/test_api.py
index ef93a3c442..a65beb4dc2 100644
--- a/InvenTree/company/test_api.py
+++ b/InvenTree/company/test_api.py
@@ -111,7 +111,7 @@ class ManufacturerTest(InvenTreeAPITestCase):
 
     def test_manufacturer_part_detail(self):
         url = reverse('api-manufacturer-part-detail', kwargs={'pk': 1})
-        
+
         response = self.get(url)
         self.assertEqual(response.data['MPN'], 'MPN123')
 
@@ -145,6 +145,7 @@ class ManufacturerTest(InvenTreeAPITestCase):
         self.assertEqual(response.status_code, status.HTTP_201_CREATED)
 
         # Check manufacturer part
-        url = reverse('api-manufacturer-part-detail', kwargs={'pk': 5})
+        manufacturer_part_id = int(response.data['manufacturer_part']['pk'])
+        url = reverse('api-manufacturer-part-detail', kwargs={'pk': manufacturer_part_id})
         response = self.get(url)
         self.assertEqual(response.data['MPN'], 'PART_NUMBER')