diff --git a/src/Bridge/Item/RequestAttributesContainer.php b/src/Bridge/Item/RequestAttributesContainer.php
index e78900f..0c9065f 100644
--- a/src/Bridge/Item/RequestAttributesContainer.php
+++ b/src/Bridge/Item/RequestAttributesContainer.php
@@ -22,8 +22,12 @@ public function __construct(RequestStack $requestStack)
         $this->request = $requestStack->getMasterRequest();
     }
 
-    public function get(string $name, string $default = null): string
+    public function get(string $name, string $default = ''): string
     {
+        if (!$this->request) {
+            return '';
+        }
+
         return $this->request->get($name, $default);
     }
 }
diff --git a/src/Bridge/Matcher.php b/src/Bridge/Matcher.php
index 5e8fdcd..ff6acb9 100644
--- a/src/Bridge/Matcher.php
+++ b/src/Bridge/Matcher.php
@@ -30,7 +30,7 @@ public function __construct(RequestStack $requestStack, UrlMatchVoterInterface $
 
     public function isCurrent($item): bool
     {
-        if (!$item instanceof MatchableInterface) {
+        if (!$this->request || !$item instanceof MatchableInterface) {
             return false;
         }