diff --git a/net/frr/src/opnsense/mvc/app/views/OPNsense/Quagga/diagnosticsospf.volt b/net/frr/src/opnsense/mvc/app/views/OPNsense/Quagga/diagnosticsospf.volt
index 80cf75ff0..1aa5e0857 100644
--- a/net/frr/src/opnsense/mvc/app/views/OPNsense/Quagga/diagnosticsospf.volt
+++ b/net/frr/src/opnsense/mvc/app/views/OPNsense/Quagga/diagnosticsospf.volt
@@ -37,7 +37,7 @@ POSSIBILITY OF SUCH DAMAGE.
       </tr>
       <tr>
         <td>{{ lang._('ASBR') }}</td>
-        <td><%= checkmark(asbrRouter == "injectingExternalRoutingInformation") %></td>
+        <td><%= checkmark(typeof asbrRouter != 'undefined' && asbrRouter == "injectingExternalRoutingInformation") %></td>
       </tr>
       <tr>
         <td>{{ lang._('Router ID') }}</td>