diff --git a/restapi/resource.py b/restapi/resource.py
index 81b2364..c66ce7e 100644
--- a/restapi/resource.py
+++ b/restapi/resource.py
@@ -112,7 +112,7 @@ class Resource:
         data = self.mongo_qs
         count = data.count()
         if pk:
-            json_data = self.parse_fields(self.model)
+            json_data = self.parse_fields(self.mongo_qs.get(**{self.as_pk:pk}),self.model)
         else:
             data = data[self.offset:self.limit + self.offset]
             json_data = []