diff --git a/src/api/wishlists.php b/src/api/wishlists.php
index 1f7c3972..22bf3be7 100644
--- a/src/api/wishlists.php
+++ b/src/api/wishlists.php
@@ -148,12 +148,9 @@ switch ($_SERVER['REQUEST_METHOD']) {
                 http_response_code(404);
             }
         } elseif ($getWishlistFromHash) {
-            /**
-             * Get wishlist by hash
-             */
             $wishlist = Wishlist::getFromHash($_GET['wishlist_hash']);
 
-            if ($wishlist->exists) {
+            if ($wishlist instanceof Wishlist) {
                 $response['results'] = $wishlist;
             } else {
                 http_response_code(404);
diff --git a/src/classes/wishthis/Wishlist.php b/src/classes/wishthis/Wishlist.php
index 469749c7..eb07bbc1 100644
--- a/src/classes/wishthis/Wishlist.php
+++ b/src/classes/wishthis/Wishlist.php
@@ -33,7 +33,7 @@ class Wishlist
         return $wishlist;
     }
 
-    public static function getFromHash(string $hash): self
+    public static function getFromHash(string $hash): self|false
     {
         global $database;
 
diff --git a/src/pages/wishlist.php b/src/pages/wishlist.php
index 078e351d..0be4ffdd 100644
--- a/src/pages/wishlist.php
+++ b/src/pages/wishlist.php
@@ -17,7 +17,7 @@ $page->scripts['wish']                     = 'src/assets/js/parts/wish.js';
 $page->scripts['wishlist-filter-priority'] = 'src/assets/js/parts/wishlist-filter-priority.js';
 $page->scripts['wishlists']                = 'src/assets/js/parts/wishlists.js';
 
-if (!$wishlist->exists) {
+if (false === $wishlist) {
     $page->errorDocument(404, $wishlist);
 }