diff --git a/module/VuFind/src/VuFind/Connection/Summon/Query.php b/module/VuFind/src/VuFind/Connection/Summon/Query.php
index 0a5aad6ca93776d57a16b019054000f47ba599ef..2e12415c250c234b0d1612a63d4e9e367874db1d 100644
--- a/module/VuFind/src/VuFind/Connection/Summon/Query.php
+++ b/module/VuFind/src/VuFind/Connection/Summon/Query.php
@@ -38,7 +38,7 @@ namespace VuFind\Connection\Summon;
  * @license  http://opensource.org/licenses/gpl-2.0.php GNU General Public License
  * @link     http://api.summon.serialssolutions.com/help/api/ API Documentation
  */
-class Query extends SerialsSolutions_Summon_Query
+class Query extends \SerialsSolutions_Summon_Query
 {
     protected $config;