diff --git a/module/VuFind/src/VuFind/Db/Row/User.php b/module/VuFind/src/VuFind/Db/Row/User.php
index 02947de765c995f74ba98a813b2044dc8bf9f07b..11509bf12189a64a2a5d79b1d45609f16daba5b3 100644
--- a/module/VuFind/src/VuFind/Db/Row/User.php
+++ b/module/VuFind/src/VuFind/Db/Row/User.php
@@ -124,7 +124,7 @@ class User extends RowGateway
                     ),
                     'tag',
                     'cnt' => new Expression(
-                        'COUNT(?)', array('rt.id'),
+                        'COUNT(DISTINCT(?))', array('rt.resource_id'),
                         array(Expression::TYPE_IDENTIFIER)
                     )
                 )