diff --git a/Model/ResourceModel/Post/Fulltext/Collection.php b/Model/ResourceModel/Post/Fulltext/Collection.php
index 34cf3d5..c6b4c40 100755
--- a/Model/ResourceModel/Post/Fulltext/Collection.php
+++ b/Model/ResourceModel/Post/Fulltext/Collection.php
@@ -75,8 +75,8 @@ public function __construct(
         \Smile\ElasticsuiteCore\Search\Request\Builder $requestBuilder,
         \Magento\Search\Model\SearchEngine $searchEngine,
         $searchRequestName = 'blog_search_container',
-        \Magento\Framework\DB\Adapter\AdapterInterface $connection = null,
-        \Magento\Framework\Model\ResourceModel\Db\AbstractDb $resource = null
+        ?\Magento\Framework\DB\Adapter\AdapterInterface $connection = null,
+        ?\Magento\Framework\Model\ResourceModel\Db\AbstractDb $resource = null
     ) {
 
         parent::__construct($entityFactory, $logger, $fetchStrategy, $eventManager, $date, $storeManager, $connection, $resource);
@@ -123,11 +123,18 @@ public function setStoreId($storeId)
     /**
      * Returns current store id.
      *
+     * Falls back to the current store when no store filter was set,
+     * e.g. when the collection is built on the catalogsearch result page.
+     *
      * @return int
      */
-    public function getStoreId()
+    public function getStoreId(): int
     {
-        return $this->storeId;
+        if ($this->storeId === null) {
+            $this->storeId = (int) $this->_storeManager->getStore()->getId();
+        }
+
+        return (int) $this->storeId;
     }
 
     /**