diff --git a/InvenTree/part/api.py b/InvenTree/part/api.py
index 403934d3d9..ac27b1c3bc 100644
--- a/InvenTree/part/api.py
+++ b/InvenTree/part/api.py
@@ -1075,6 +1075,7 @@ class PartList(generics.ListCreateAPIView):
         'revision',
         'keywords',
         'category__name',
+        'MPN',
     ]