diff --git a/src/Filter/UidFilter.php b/src/Filter/UidFilter.php
index 4a032e9c8..65aa0fe70 100644
--- a/src/Filter/UidFilter.php
+++ b/src/Filter/UidFilter.php
@@ -50,7 +50,7 @@ public function filter(ProxyQueryInterface $query, string $alias, string $field,
 
     public function isSearchEnabled(): bool
     {
-        return $this->getOption('global_search');
+        return $this->getOption('global_search')===null?false:$this->getOption('global_search');
     }
 
     public function getDefaultOptions(): array