diff --git a/luaparse.js b/luaparse.js
index 79a2c714..ea1932f5 100644
--- a/luaparse.js
+++ b/luaparse.js
@@ -1465,7 +1465,7 @@
 
   // Create a new scope inheriting all declarations from the previous scope.
   function createScope() {
-    var scope = Array.apply(null, scopes[scopeDepth++]);
+    var scope = scopes[scopeDepth++].slice();
     scopes.push(scope);
     if (options.onCreateScope) options.onCreateScope();
   }