diff --git a/src/pages/WellOperations/WellOperationsEditor.jsx b/src/pages/WellOperations/WellOperationsEditor.jsx
index 44fb6b3..8a7c64b 100644
--- a/src/pages/WellOperations/WellOperationsEditor.jsx
+++ b/src/pages/WellOperations/WellOperationsEditor.jsx
@@ -69,9 +69,10 @@ export const WellOperationsEditor = memo(({ idWell, idType, ...other }) => {
       sectionTypes = Object.keys(sectionTypes).map((key) => ({ value: parseInt(key), label: sectionTypes[key] }))
 
       setColumns(preColumns => {
-        preColumns[0] = makeSelectColumn('Конструкция секции', 'idWellSectionType', sectionTypes, undefined, { editable: true, width: 160 })
-        preColumns[1] = makeSelectColumn('Операция', 'idCategory', categories, undefined, { editable: true, width: 200 })
-        return preColumns
+        const newColumns = [...preColumns]
+        newColumns[0] = makeSelectColumn('Конструкция секции', 'idWellSectionType', sectionTypes, undefined, { editable: true, width: 160 })
+        newColumns[1] = makeSelectColumn('Операция', 'idCategory', categories, undefined, { editable: true, width: 200 })
+        return newColumns
       })
     },
     setShowLoader,