diff --git a/core/builtins/native/kotlin/Enum.kt b/core/builtins/native/kotlin/Enum.kt
index 0ecb967abe9..6504391f0f0 100644
--- a/core/builtins/native/kotlin/Enum.kt
+++ b/core/builtins/native/kotlin/Enum.kt
@@ -22,4 +22,5 @@ public abstract class Enum<E : Enum<E>>(name: String, ordinal: Int) {
 
     public override final fun equals(other: Any?): Boolean
     public override final fun hashCode(): Int
+    public override fun toString(): String
 }