diff --git a/BMA.EHR.Placement.Service/Controllers/PlacementAppointmentController.cs b/BMA.EHR.Placement.Service/Controllers/PlacementAppointmentController.cs
index 519769a3..fa8e7b28 100644
--- a/BMA.EHR.Placement.Service/Controllers/PlacementAppointmentController.cs
+++ b/BMA.EHR.Placement.Service/Controllers/PlacementAppointmentController.cs
@@ -341,15 +341,15 @@ namespace BMA.EHR.Placement.Service.Controllers
 
                 data.CreatedAt,
                 data.Reason,
-                data.EducationOld,
+                educationOld = data.EducationOld == "/" || data.EducationOld == null ? null : data.EducationOld,
                 data.salary,
                 data.PositionTypeOld,
                 data.PositionLevelOld,
                 data.PositionNumberOld,
-                data.OrganizationPositionOld,
+                organizationPositionOld = data.OrganizationPositionOld == "/" || data.OrganizationPositionOld == null ? null : data.OrganizationPositionOld,
                 data.PositionDate,
                 data.AmountOld,
-                data.OrganizationOld,
+                organizationOld = data.OrganizationOld == "/" || data.OrganizationOld == null ? null : data.OrganizationOld,
                 data.positionOld,
                 // Docs = placementAppointmentDocs,
                 data.typeCommand,
diff --git a/BMA.EHR.Placement.Service/Controllers/PlacementReceiveController.cs b/BMA.EHR.Placement.Service/Controllers/PlacementReceiveController.cs
index 497803f6..4e581132 100644
--- a/BMA.EHR.Placement.Service/Controllers/PlacementReceiveController.cs
+++ b/BMA.EHR.Placement.Service/Controllers/PlacementReceiveController.cs
@@ -335,14 +335,14 @@ namespace BMA.EHR.Placement.Service.Controllers
 
                 data.CreatedAt,
                 data.Reason,
-                data.EducationOld,
+                educationOld = data.EducationOld == "/" || data.EducationOld == null ? null : data.EducationOld,
                 data.AmountOld,
                 data.PositionOld,
-                data.OrganizationOld,
+                organizationOld = data.OrganizationOld == "/" || data.OrganizationOld == null ? null : data.OrganizationOld,
                 data.PositionTypeOld,
                 data.PositionLevelOld,
                 data.PositionNumberOld,
-                data.OrganizationPositionOld,
+                organizationPositionOld = data.OrganizationPositionOld == "/" || data.OrganizationPositionOld == null ? null: data.OrganizationPositionOld,
                 data.IsActive,
 
                 data.rootOld,