diff --git a/mozilla/js/rhino/src/org/mozilla/javascript/WrappedException.java b/mozilla/js/rhino/src/org/mozilla/javascript/WrappedException.java
index 474418a4bf2..73dc8873c9a 100644
--- a/mozilla/js/rhino/src/org/mozilla/javascript/WrappedException.java
+++ b/mozilla/js/rhino/src/org/mozilla/javascript/WrappedException.java
@@ -117,5 +117,13 @@ public class WrappedException extends EvaluatorException
         return exception;
     }
 
+    /**
+     * @deprecated Use {@link #getWrappedException()} instead.
+     */
+    public Object unwrap()
+    {
+        return getWrappedException();
+    }
+
     private Throwable exception;
 }