diff --git a/jetty-webapp/src/main/java/org/eclipse/jetty/webapp/WebAppContext.java b/jetty-webapp/src/main/java/org/eclipse/jetty/webapp/WebAppContext.java
index 0430dbe6b66..3a709a406e5 100644
--- a/jetty-webapp/src/main/java/org/eclipse/jetty/webapp/WebAppContext.java
+++ b/jetty-webapp/src/main/java/org/eclipse/jetty/webapp/WebAppContext.java
@@ -136,6 +136,7 @@ public class WebAppContext extends ServletContextHandler implements WebAppClassL
         "-org.eclipse.jetty.websocket.",    // don't hide websocket classes from webapps (allow webapp to use ones from system classloader)
         "-org.eclipse.jetty.apache.",       // don't hide jetty apache impls
         "-org.eclipse.jetty.util.log.",     // don't hide server log 
+        "-org.eclipse.jetty.servlet.ServletContextHandler.Decorator", // don't hide CDI / weld interface  
         "org.objectweb.asm.",               // hide asm used by jetty
         "org.eclipse.jdt.",                 // hide jdt used by jetty
         "org.eclipse.jetty."                // hide other jetty classes