diff --git a/adf/index.html b/adf/index.html
index 68b8046..c94091d 100644
--- a/adf/index.html
+++ b/adf/index.html
@@ -169,6 +169,8 @@ $(function() {
                 return "5 test";
             case 6:
                 return "6 test";
+            default:
+                return "N/A";    
         }
     }
 });