diff --git a/CHANGELOG.md b/CHANGELOG.md
index 02c7f6f5f0..0494bac144 100755
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -21,6 +21,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Removed
 ### Fixed
 * fixed issue [1789](https://github.com/ruflin/Elastica/issues/1789)
+* Fixed type-hint for `Elastica\QueryBuilder\DSL\Aggregation::sampler()` not consistent with the underlying constructor call [#1815](https://github.com/ruflin/Elastica/pull/1815)
 * Replaced `_routing` and `_retry_on_conflict` by `routing` and `retry_on_conflict` in `AbstractUpdateAction` [#1807](https://github.com/ruflin/Elastica/issues/1807)
 ### Security
 
diff --git a/src/QueryBuilder/DSL/Aggregation.php b/src/QueryBuilder/DSL/Aggregation.php
index 404f144345..fd0a8427c9 100644
--- a/src/QueryBuilder/DSL/Aggregation.php
+++ b/src/QueryBuilder/DSL/Aggregation.php
@@ -423,13 +423,12 @@ public function adjacency_matrix(string $name): AdjacencyMatrix
         return new AdjacencyMatrix($name);
     }
 
-    /** sampler aggregation.
+    /**
+     * sampler aggregation.
      *
      * @see https://www.elastic.co/guide/en/elasticsearch/reference/current/search-aggregations-bucket-sampler-aggregation.html
-     *
-     * @param string $name
      */
-    public function sampler($name): Sampler
+    public function sampler(string $name): Sampler
     {
         return new Sampler($name);
     }