diff --git a/lib/App/Netdisco/Web/Plugin/Search/Node.pm b/lib/App/Netdisco/Web/Plugin/Search/Node.pm
index 54f08cf3..965b511e 100644
--- a/lib/App/Netdisco/Web/Plugin/Search/Node.pm
+++ b/lib/App/Netdisco/Web/Plugin/Search/Node.pm
@@ -26,7 +26,7 @@ ajax '/ajax/content/search/node' => require_login sub {
     my $mac = NetAddr::MAC->new(mac => $node);
     undef $mac if
       ($mac and $mac->as_ieee
-      and (($mac->as_ieee eq '00:00:00:00')
+      and (($mac->as_ieee eq '00:00:00:00:00:00')
         or ($mac->as_ieee !~ m/$RE{net}{MAC}/)));
 
     my @active = (param('archived') ? () : (-bool => 'active'));
diff --git a/lib/App/Netdisco/Web/Search.pm b/lib/App/Netdisco/Web/Search.pm
index 73f3ac92..b447b031 100644
--- a/lib/App/Netdisco/Web/Search.pm
+++ b/lib/App/Netdisco/Web/Search.pm
@@ -43,7 +43,7 @@ get '/search' => require_login sub {
 
             undef $mac if
               ($mac and $mac->as_ieee
-              and (($mac->as_ieee eq '00:00:00:00')
+              and (($mac->as_ieee eq '00:00:00:00:00:00')
                 or ($mac->as_ieee !~ m/$RE{net}{MAC}/)));
 
             if ($nd and $nd->count) {