diff --git a/util/generate_stats.php b/util/generate_stats.php
index f63774a0..5b80e5b3 100644
--- a/util/generate_stats.php
+++ b/util/generate_stats.php
@@ -38,7 +38,7 @@ if($options = getopt($opts, $lopts)) {
 }
 
 
-if(webuidir == '') {
+if($webuidir == '') {
    echo("\nError: must provide path to WebUI directory\n\n");
    display_help();
 }
diff --git a/webui/model/search/message.php b/webui/model/search/message.php
index f30d861d..d3e91c9d 100644
--- a/webui/model/search/message.php
+++ b/webui/model/search/message.php
@@ -268,6 +268,8 @@ class ModelSearchMessage extends Model {
       $config = HTMLPurifier_Config::createDefault();
       $config->set('URI', 'DisableExternal', 'true');
       $config->set('URI', 'DisableExternalResources', 'true');
+      $config->set('Cache.SerializerPath', DIR_BASE . 'tmp');
+
       $purifier = new HTMLPurifier($config);
 
       for($i=0; $i<count($mime_parts); $i++) {