diff --git a/apps/ccnx-app.cc b/apps/ccnx-app.cc
index ef81197..ba7670d 100644
--- a/apps/ccnx-app.cc
+++ b/apps/ccnx-app.cc
@@ -40,6 +40,7 @@
 CcnxApp::GetTypeId (void)
 {
   static TypeId tid = TypeId ("ns3::CcnxApp")
+    .SetGroupName ("Ccnx")
     .SetParent<Application> ()
     .AddConstructor<CcnxApp> ()