diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Connector.php b/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Connector.php
index 40ecab813b42f07b489357769d78bd1d2b35874e..5b175d86f62b281922ba269c1e897aa145b03666 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Connector.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Connector.php
@@ -383,6 +383,8 @@ class Connector implements \Zend\Log\LoggerAwareInterface
      * BackendException to standardize upstream handling.
      *
      * @param \Exception $ex Exception
+     *
+     * @return \Exception
      */
     protected function forceToBackendException($ex)
     {