diff --git a/FrontendWebApi/ApiControllers/BuildController.cs b/FrontendWebApi/ApiControllers/BuildController.cs
index 5cebf40..00a8c2f 100644
--- a/FrontendWebApi/ApiControllers/BuildController.cs
+++ b/FrontendWebApi/ApiControllers/BuildController.cs
@@ -382,9 +382,9 @@ namespace FrontendWebApi.ApiControllers
                         device_building_tag,
                         device_system_tag
                     FROM building_menu
-                    WHERE building_guid = @building_guid
-                    AND main_system_guid = @main_system_guid
-                    AND sub_system_guid = @sub_system_guid
+                    WHERE building_tag = @building_tag
+                    AND main_system_tag = @main_system_tag
+                    AND sub_system_tag = @sub_system_tag
                 ";
 
                 var tagName = await backendRepository.GetOneAsync<BuildingSystemTagName>(sql, post);
diff --git a/FrontendWebApi/Models/Build.cs b/FrontendWebApi/Models/Build.cs
index f08c8ec..be0a4ca 100644
--- a/FrontendWebApi/Models/Build.cs
+++ b/FrontendWebApi/Models/Build.cs
@@ -123,9 +123,9 @@ namespace FrontendWebApi.Models
 
     public class PostTagName
     {
-        public string building_guid { get; set; }
-        public string main_system_guid { get; set; }
-        public string sub_system_guid { get; set; }
+        public string building_tag { get; set; }
+        public string main_system_tag { get; set; }
+        public string sub_system_tag { get; set; }
     }
 
     public class BuildingSystemTagName