diff --git a/library/Icingadb/ProvidedHook/X509/Sni.php b/library/Icingadb/ProvidedHook/X509/Sni.php
index ef95c2ec6..4e42edbea 100644
--- a/library/Icingadb/ProvidedHook/X509/Sni.php
+++ b/library/Icingadb/ProvidedHook/X509/Sni.php
@@ -22,6 +22,8 @@ class Sni extends SniHook
      */
     public function getHosts(Filter $filter = null): Generator
     {
+        $this->getDb()->ping();
+
         $queryHost = Host::on($this->getDb());
 
         $queryHost->getSelectBase();