diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9690daf92..3d9c73468 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,8 @@
    * Upgraded to **composer v2.1.14** for PHP 8.1 compatibility
    * Added third `$name` parameter to `Blueprint::flattenData()` method, useful for flattening repeating data
    * `ControllerResponseTrait`: Redirect response should be json if the extension is .json
+3. [](#bugfix)
+   * Fixed bad key lookup in `FlexRelatedDirectoryTrait::getCollectionByProperty()`
 
 # v1.7.25
 ## 11/16/2021
diff --git a/system/src/Grav/Framework/Flex/Traits/FlexRelatedDirectoryTrait.php b/system/src/Grav/Framework/Flex/Traits/FlexRelatedDirectoryTrait.php
index 9f7380c03..37a0070dd 100644
--- a/system/src/Grav/Framework/Flex/Traits/FlexRelatedDirectoryTrait.php
+++ b/system/src/Grav/Framework/Flex/Traits/FlexRelatedDirectoryTrait.php
@@ -36,7 +36,7 @@ trait FlexRelatedDirectoryTrait
 
         /** @var FlexCollection $collection */
         $collection = $collection->filter(static function ($object) use ($list) {
-            return in_array($object->id, $list, true);
+            return in_array($object->getKey(), $list, true);
         });
 
         return $collection;