diff --git a/api/src/cms/dto/contentType.dto.ts b/api/src/cms/dto/contentType.dto.ts
index ea47e7d1..be03e245 100644
--- a/api/src/cms/dto/contentType.dto.ts
+++ b/api/src/cms/dto/contentType.dto.ts
@@ -40,7 +40,7 @@ export class ContentField {
     message:
       "type must be one of the following values: 'text', 'url', 'textarea', 'checkbox', 'file', 'html'",
   })
-  type: `${FieldType}` | FieldType;
+  type: `${FieldType}`;
 }
 
 export class ContentTypeCreateDto {