diff --git a/sandbox-apis/virtualbox/src/main/java/org/jclouds/virtualbox/functions/IsoToIMachine.java b/sandbox-apis/virtualbox/src/main/java/org/jclouds/virtualbox/functions/IsoToIMachine.java
index aa01272f8c..b40668c9c8 100644
--- a/sandbox-apis/virtualbox/src/main/java/org/jclouds/virtualbox/functions/IsoToIMachine.java
+++ b/sandbox-apis/virtualbox/src/main/java/org/jclouds/virtualbox/functions/IsoToIMachine.java
@@ -214,8 +214,8 @@ public class IsoToIMachine implements Function<String, IMachine> {
       lockSessionOnMachineAndApply(manager, Shared, vmName, new Function<ISession, Void>() {
 
          @Override
-         public Void apply(ISession arg0) {
-            IProgress powerDownProgress = arg0.getConsole().powerDown();
+         public Void apply(ISession session) {
+            IProgress powerDownProgress = session.getConsole().powerDown();
             powerDownProgress.waitForCompletion(-1);
             return null;
          }