diff --git a/compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/transformers/irToJs/jsAstUtils.kt b/compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/transformers/irToJs/jsAstUtils.kt
index 0ff65bf3a45..f6ee14d9b0a 100644
--- a/compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/transformers/irToJs/jsAstUtils.kt
+++ b/compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/transformers/irToJs/jsAstUtils.kt
@@ -228,8 +228,8 @@ fun defineProperty(receiver: JsExpression, name: String, value: () -> JsExpressi
 
 fun defineProperty(receiver: JsExpression, name: String, getter: JsExpression?, setter: JsExpression? = null) =
     defineProperty(receiver, name) {
-        val literal = JsObjectLiteral(true)
-        literal.apply {
+        JsObjectLiteral(true).apply {
+            propertyInitializers += JsPropertyInitializer(JsStringLiteral("configurable"), JsBooleanLiteral(true))
             if (getter != null)
                 propertyInitializers += JsPropertyInitializer(JsStringLiteral("get"), getter)
             if (setter != null)
@@ -338,4 +338,4 @@ object JsAstUtils {
     fun newVar(name: JsName, expr: JsExpression?): JsVars {
         return JsVars(JsVars.JsVar(name, expr))
     }
-}
\ No newline at end of file
+}