diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Backend.php b/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Backend.php
index 7be6b7640124fd15da2d0c9669c672dbe4cb0053..eb9afd65ba946600ec66733304a10111db139e1c 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Backend.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Backend.php
@@ -39,7 +39,7 @@ use VuFindSearch\Backend\Solr\Response\Json\Terms;
 use VuFindSearch\Backend\Solr\Response\Json\Spellcheck;
 
 use VuFindSearch\Backend\BackendInterface;
-use VuFindSearch\Feature\MoreLikeThis;
+use VuFindSearch\Feature\SimilarInterface;
 use VuFindSearch\Feature\RetrieveBatchInterface;
 
 use Zend\Log\LoggerInterface;
@@ -58,7 +58,7 @@ use VuFindSearch\Exception\InvalidArgumentException;
  * @license  http://opensource.org/licenses/gpl-2.0.php GNU General Public License
  * @link     http://vufind.org
  */
-class Backend implements BackendInterface, MoreLikeThis, RetrieveBatchInterface
+class Backend implements BackendInterface, SimilarInterface, RetrieveBatchInterface
 {
     /**
      * Record collection factory.
diff --git a/module/VuFindSearch/src/VuFindSearch/Feature/MoreLikeThis.php b/module/VuFindSearch/src/VuFindSearch/Feature/SimilarInterface.php
similarity index 98%
rename from module/VuFindSearch/src/VuFindSearch/Feature/MoreLikeThis.php
rename to module/VuFindSearch/src/VuFindSearch/Feature/SimilarInterface.php
index 6cbfa2900c1bea7e4a9d11530bfd3b784af2068e..726860bdb23c25f9fd5a1fd956d688276caba275 100644
--- a/module/VuFindSearch/src/VuFindSearch/Feature/MoreLikeThis.php
+++ b/module/VuFindSearch/src/VuFindSearch/Feature/SimilarInterface.php
@@ -40,7 +40,7 @@ use VuFindSearch\ParamBag;
  * @license  http://opensource.org/licenses/gpl-2.0.php GNU General Public License
  * @link     http://vufind.org
  */
-interface MoreLikeThis
+interface SimilarInterface
 {
     /**
      * Return similar records.