diff --git a/views/ngXosViews/diagnostic/src/js/nodeDrawer.js b/views/ngXosViews/diagnostic/src/js/nodeDrawer.js
index 7c76e61..3007fd2 100644
--- a/views/ngXosViews/diagnostic/src/js/nodeDrawer.js
+++ b/views/ngXosViews/diagnostic/src/js/nodeDrawer.js
@@ -258,7 +258,7 @@
         x: - serviceTopologyConfig.circle.r - 10,
         y: serviceTopologyConfig.circle.r / 2
       })
-      .text(d => d.name); 
+      .text(d => d.name || d.mac); 
     }
   });
 })();