diff --git a/src/BookSearch/BookSearch.php b/src/BookSearch/BookSearch.php
index 693e44d..ab0fa5e 100644
--- a/src/BookSearch/BookSearch.php
+++ b/src/BookSearch/BookSearch.php
@@ -17,8 +17,10 @@ class BookSearch
     /** @var array parts of the filter query, parameter 'fq' */
     private $filterQueryParts = array();
 
-    public function __construct(string $hostname, int $port, string $login, string $password, string $path, $edismax = true)
+    public function __construct(string $hostname, int $port, string $login, string $password, string $core, $edismax = true)
     {
+        $path = 'solr/' . $core;
+
         $options = compact('hostname', 'port', 'login', 'password', 'path');
 
         $this->client = new \SolrClient($options);