diff --git a/src/main/java/jenkins/plugins/jclouds/compute/JCloudsSlave.java b/src/main/java/jenkins/plugins/jclouds/compute/JCloudsSlave.java
index 63f0f149..1e67573f 100644
--- a/src/main/java/jenkins/plugins/jclouds/compute/JCloudsSlave.java
+++ b/src/main/java/jenkins/plugins/jclouds/compute/JCloudsSlave.java
@@ -135,11 +135,12 @@ public JCloudsSlave(
         phm = new PhoneHomeMonitor(waitPhoneHome, waitPhoneHomeTimeout);
     }
 
+    @Override
     protected Object readResolve() {
         if (null == phm) {
             phm = new PhoneHomeMonitor(waitPhoneHome, waitPhoneHomeTimeout);
         }
-        return this;
+        return super.readResolve();
     }
 
     /**