diff -Nur e-smith-base-5.8.0.old/root/sbin/e-smith/generate-subjectaltnames e-smith-base-5.8.0/root/sbin/e-smith/generate-subjectaltnames
--- e-smith-base-5.8.0.old/root/sbin/e-smith/generate-subjectaltnames	2021-02-17 11:18:15.287000000 -0500
+++ e-smith-base-5.8.0/root/sbin/e-smith/generate-subjectaltnames	2021-02-17 11:19:13.317000000 -0500
@@ -51,7 +51,7 @@
     $Interface_Record = $configuration->get($Interface);
     if ($Interface_Record)
     {
-        if ($Interface_Record->prop('Configuration') eq 'static')
+        if (defined $Interface_Record->prop('Configuration') and $Interface_Record->prop('Configuration') eq 'static')
         {
             if ($Interface_Record->prop('IPAddress'))
             {