diff --git a/SAS/TMSS/backend/src/tmss/tmssapp/serializers/common.py b/SAS/TMSS/backend/src/tmss/tmssapp/serializers/common.py
index c12e879675249229317935fbcd6b883bd18239b0..4936a9e9c3cc231fe6b9a923d4c26a646d41fd89 100644
--- a/SAS/TMSS/backend/src/tmss/tmssapp/serializers/common.py
+++ b/SAS/TMSS/backend/src/tmss/tmssapp/serializers/common.py
@@ -16,7 +16,7 @@ class FloatDurationField(serializers.FloatField):
         return value.total_seconds()
 
 class RelationalHyperlinkedModelSerializer(serializers.HyperlinkedModelSerializer):
-    _accepted_pk_names = ('id', 'name')
+    _accepted_pk_names = ('id', 'name', 'unique_identifier')
 
     def get_field_names(self, declared_fields, info):
         field_names = super().get_field_names(declared_fields, info)