diff --git a/runtime/launcher/src/main/java/io/takari/m2e/jenkins/launcher/Main.java b/runtime/launcher/src/main/java/io/takari/m2e/jenkins/launcher/Main.java
index 1865b0c..f60847d 100644
--- a/runtime/launcher/src/main/java/io/takari/m2e/jenkins/launcher/Main.java
+++ b/runtime/launcher/src/main/java/io/takari/m2e/jenkins/launcher/Main.java
@@ -123,7 +123,7 @@ public static void main(String[] args) throws Exception {
 
       // copy plugin file under jenkinsHome
       File pf = new File(pd.getPluginFile());
-      String ext = pf.getName().endsWith(".hpl") ? ".hpl" : ".jpi";
+      String ext = pf.getName().endsWith(".hpl") ? ".hpl" : ".jpl";
       File target = new File(pluginsDir, pd.getId() + ext);
 
       log.info("Copying plugin: " + pd.getPluginFile() + " to " + target.getName());