diff --git a/core/src/main/java/hudson/PluginManager.java b/core/src/main/java/hudson/PluginManager.java
index d2d3269276..91e8e11c12 100644
--- a/core/src/main/java/hudson/PluginManager.java
+++ b/core/src/main/java/hudson/PluginManager.java
@@ -954,7 +954,7 @@ public abstract class PluginManager extends AbstractModelObject implements OnMas
     @Restricted(NoExternalUse.class)
     public void start(List<PluginWrapper> plugins) throws Exception {
       try (ACLContext context = ACL.as2(ACL.SYSTEM2)) {
-        Map<String, PluginWrapper> pluginsByName = plugins.stream().collect(Collectors.toMap(p -> p.getShortName(), p -> p));
+        Map<String, PluginWrapper> pluginsByName = plugins.stream().collect(Collectors.toMap(PluginWrapper::getShortName, p -> p));
 
         // recalculate dependencies of plugins optionally depending the newly deployed ones.
         for (PluginWrapper depender: this.plugins) {