diff --git a/internal/domain/main-entities/specialist/dto.go b/internal/domain/main-entities/specialist/dto.go
index 1b75e7cb..04f848cd 100644
--- a/internal/domain/main-entities/specialist/dto.go
+++ b/internal/domain/main-entities/specialist/dto.go
@@ -7,10 +7,10 @@ import (
 )
 
 type CreateDto struct {
-	Id                *uint   `json:"id"`
-	Installation_Code *string `json:"installation_code"`
-	Code              string  `json:"code" validate:"maxLength=10"`
-	Name              string  `json:"name" validate:"maxLength=50"`
+	Id                *uint  `json:"id"`
+	Installation_Code string `json:"installation_code"`
+	Code              string `json:"code" validate:"maxLength=10"`
+	Name              string `json:"name" validate:"maxLength=50"`
 }
 
 type ReadListDto struct {