diff --git a/config/parameters.yml.dist b/config/parameters.yml.dist
index 1219ace..8b79e2d 100644
--- a/config/parameters.yml.dist
+++ b/config/parameters.yml.dist
@@ -8,6 +8,7 @@ db:
 base_url: /
 #base_url: /pinboard/
 #base_url: http://your-host.com/pinboard
+min_error_code: 302
 logging:
     # in seconds
     long_request_time:
diff --git a/src/Pinboard/Command/AggregateCommand.php b/src/Pinboard/Command/AggregateCommand.php
index 5e44a4b..3780e29 100644
--- a/src/Pinboard/Command/AggregateCommand.php
+++ b/src/Pinboard/Command/AggregateCommand.php
@@ -452,7 +452,7 @@ protected function execute(InputInterface $input, OutputInterface $output)
             FROM
                 request
             WHERE
-                status >= 500
+                status >= '.$this->params['min_error_code'].'
             GROUP BY
                 server_name, hostname, script_name
             LIMIT
@@ -762,4 +762,4 @@ private function sendBorderOutEmails($data)
 
         unset($message);
     }
-}
\ No newline at end of file
+}
diff --git a/web/css/tableStyle.css b/web/css/tableStyle.css
index 874a8b2..c108c17 100644
--- a/web/css/tableStyle.css
+++ b/web/css/tableStyle.css
@@ -1,6 +1,6 @@
 /* tables */
 table.tablesorter thead tr .header {
-	background-image: url(/img/bg.gif);
+	background-image: url(../img/bg.gif);
 	background-repeat: no-repeat;
 	background-position: center right;
 	cursor: pointer;
@@ -8,11 +8,11 @@ table.tablesorter thead tr .header {
 }
 
 table.tablesorter thead tr .headerSortUp {
-	background-image: url(/img/asc.gif);
+	background-image: url(../img/asc.gif);
 }
 table.tablesorter thead tr .headerSortDown {
-	background-image: url(/img/desc.gif);
+	background-image: url(../img/desc.gif);
 }
 table.tablesorter thead tr .headerSortDown, table.tablesorter thead tr .headerSortUp {
 	background-color: #C1DBE9;
-}
\ No newline at end of file
+}