diff --git a/core/src/main/java/hudson/util/ProcessTree.java b/core/src/main/java/hudson/util/ProcessTree.java
index 28bb8267563fb63b77b68c16e19d818469428e27..2dd927d6fa3d7d0b09718ace89fc6bf35f9f23b3 100644
--- a/core/src/main/java/hudson/util/ProcessTree.java
+++ b/core/src/main/java/hudson/util/ProcessTree.java
@@ -406,9 +406,10 @@ public abstract class ProcessTree implements Iterable<OSProcess>, IProcessTree,
                         return null;
                     }
 
-                    public void killRecursively() {
+                    public void killRecursively() throws InterruptedException {
                         LOGGER.finer("Killing recursively "+getPid());
                         p.killRecursively();
+                        killByKiller();
                     }
 
                     public void kill() throws InterruptedException {