diff --git a/src/UtmParameter.php b/src/UtmParameter.php
index cc3b502..c9dca42 100644
--- a/src/UtmParameter.php
+++ b/src/UtmParameter.php
@@ -72,7 +72,7 @@ public function useRequestOrSession(Request $request)
      */
     public function all()
     {
-        return $this->parameters ?? [];
+        return session($this->sessionKey) ?? [];
     }
 
     /**