diff --git a/scenarios/ctf/administration_woes.xml b/scenarios/ctf/administration_woes.xml
index 45813ac26..c52ac8a21 100644
--- a/scenarios/ctf/administration_woes.xml
+++ b/scenarios/ctf/administration_woes.xml
@@ -58,7 +58,7 @@
             </input>
         </vulnerability>
 
-        <vulnerability module_path=".*/writable_groups" />
+        <vulnerability module_path=".*/writable_groups"></vulnerability>
 
         <network type="private_network">
             <input into="IP_address">