diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/Summon/Backend.php b/module/VuFindSearch/src/VuFindSearch/Backend/Summon/Backend.php
index c4040039cc0aa3ccbf88fede6110c4adb4f795b7..0ef8cab566674fa4d0d5331a7f6d49bc0b0c0e0c 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/Summon/Backend.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/Summon/Backend.php
@@ -135,7 +135,8 @@ class Backend implements BackendInterface
             $baseParams->mergeWith($params);
         }
         $baseParams->set('pageSize', $limit);
-        $baseParams->set('pageNumber', floor($offset / $limit) + 1);
+        $page = $limit > 0 ? floor($offset / $limit) + 1 : 1;
+        $baseParams->set('pageNumber', $page);
 
         $summonQuery = $this->paramBagToSummonQuery($baseParams);
         $response = $this->connector->query($summonQuery);