diff --git a/plugins/libkolab/lib/kolab_format_contact.php b/plugins/libkolab/lib/kolab_format_contact.php
index 0c571f27..72867fc4 100644
--- a/plugins/libkolab/lib/kolab_format_contact.php
+++ b/plugins/libkolab/lib/kolab_format_contact.php
@@ -386,7 +386,7 @@ class kolab_format_contact extends kolab_format
     public function get_words()
     {
         $data = '';
-        foreach (self::$fulltext_cols as $col) {
+        foreach (self::$fulltext_cols as $colname) {
             list($col, $field) = explode(':', $colname);
 
             if ($field) {