diff --git a/Netdisco/Changes b/Netdisco/Changes
index b9d62f14..69594dc8 100644
--- a/Netdisco/Changes
+++ b/Netdisco/Changes
@@ -4,6 +4,10 @@
 
   * Custom portsort plug-in for DataTables
 
+  [BUG FIXES]
+
+  * Filter undefined entries from user log
+
 2.029004 - 2014-08-11
 
   [BUG FIXES]
diff --git a/Netdisco/lib/App/Netdisco/Web/PortControl.pm b/Netdisco/lib/App/Netdisco/Web/PortControl.pm
index d4a182e8..4a410430 100644
--- a/Netdisco/lib/App/Netdisco/Web/PortControl.pm
+++ b/Netdisco/lib/App/Netdisco/Web/PortControl.pm
@@ -69,12 +69,14 @@ ajax '/ajax/userlog' => require_login sub {
         map  {s/\[\]/<empty>/; $_}
         map  { $_->log }
         grep { $_->status eq 'done' }
+        grep { defined }
         @jobs
       ],
       'error' => [
         map  {s/\[\]/<empty>/; $_}
         map  { $_->log }
         grep { $_->status eq 'error' }
+        grep { defined }
         @jobs
       ],
     );