diff --git a/hb_server/apps/pm/views.py b/hb_server/apps/pm/views.py
index fcf6388..0fea0a7 100644
--- a/hb_server/apps/pm/views.py
+++ b/hb_server/apps/pm/views.py
@@ -236,7 +236,7 @@ class ResourceViewSet(GenericViewSet):
                     res.append({'id':m['material__id'], 'name':m['material__name'],
                      'type':m['material__type'], 'number':m['material__number'], 
                      'count':m['count']*i['count'], 'inv_count':m['material__count'], 
-                     'count_safe':'material__count_safe'})
+                     'count_safe':m['material__count_safe']})
         return Response(res)
 
     @action(methods=['post'], detail=False, perms_map={'post':'*'}, serializer_class=ResourceCalListSerializer)