diff --git a/src/org/mozilla/javascript/NativeArray.java b/src/org/mozilla/javascript/NativeArray.java
index f5862cd992..feea67c9a2 100644
--- a/src/org/mozilla/javascript/NativeArray.java
+++ b/src/org/mozilla/javascript/NativeArray.java
@@ -455,7 +455,7 @@ public Object execIdCall(
                     return js_flatMap(cx, scope, thisObj, args);
 
                 case Id_toReversed:
-                    return js_toReversed(cx, scope, thisObj, args);
+                    return js_toReversed(cx, scope, thisObj);
 
                 case Id_every:
                 case Id_filter:
@@ -2262,15 +2262,14 @@ private static boolean js_isArray(Object o) {
     }
 
     private static Scriptable js_toReversed(
-            Context cx, Scriptable scope, Scriptable thisObj, Object[] args) {
+            Context cx, Scriptable scope, Scriptable thisObj) {
         Scriptable o = ScriptRuntime.toObject(cx, scope, thisObj);
-        int len = (getLengthProperty(cx, o) > Integer.MAX_VALUE) ? 0 :(int) getLengthProperty(cx, o);
-
-        Scriptable result = cx.newArray(scope, len);
+        long len = (getLengthProperty(cx, o) > Integer.MAX_VALUE) ? 0 : getLengthProperty(cx, o);
 
-        for(int k = len-1; k >= 0; k--){
+        Scriptable result = cx.newArray(scope, (int)len);
+        for(long k = len-1; k >= 0; k--){
             Object temp1 = getRawElem(o, k);
-            setRawElem(cx, result, k, temp1);
+            defineElemOrThrow(cx, result, len-k-1, temp1);
         }
         return result;
     }
@@ -2754,8 +2753,8 @@ protected int findPrototypeId(String s) {
             Id_at = 32,
             Id_flat = 33,
             Id_flatMap = 34,
-            SymbolId_iterator = 35,
             Id_toReversed =36,
+            SymbolId_iterator = 37,
             MAX_PROTOTYPE_ID = SymbolId_iterator;
     private static final int ConstructorId_join = -Id_join,
             ConstructorId_reverse = -Id_reverse,