diff --git a/classes/opml.php b/classes/opml.php
index 4cf9a71a4..815ae883b 100644
--- a/classes/opml.php
+++ b/classes/opml.php
@@ -189,6 +189,8 @@ class Opml extends Handler_Protected {
 						$tmp_line["feed"] = "";
 					}
 
+					$tmp_line["cat_filter"] = sql_bool_to_bool($tmp_line["cat_filter"]);
+
 					unset($tmp_line["feed_id"]);
 					unset($tmp_line["cat_id"]);