diff --git a/core-lib/es5/src/main/java/def/js/Array.java b/core-lib/es5/src/main/java/def/js/Array.java
index 373c8dcd..be245ef4 100644
--- a/core-lib/es5/src/main/java/def/js/Array.java
+++ b/core-lib/es5/src/main/java/def/js/Array.java
@@ -379,6 +379,8 @@ public class Array<T> extends def.js.Object implements Iterable<T> {
 
 	native public T $get(int n);
 
+	native public T $set(int n, T value);
+	
 	public Array(int arrayLength) {
 	}
 
diff --git a/core-lib/es6/src/main/java/def/js/Array.java b/core-lib/es6/src/main/java/def/js/Array.java
index df458084..ad38ff82 100644
--- a/core-lib/es6/src/main/java/def/js/Array.java
+++ b/core-lib/es6/src/main/java/def/js/Array.java
@@ -394,6 +394,8 @@ public class Array<T> extends Iterable<T> implements java.lang.Iterable<T> {
 
 	native public T $get(int n);
 
+	native public T $set(int n, T value);
+	
 	public Array(int arrayLength) {
 	}