diff --git a/src/Controller/Component/CRUDComponent.php b/src/Controller/Component/CRUDComponent.php
index cb30abb..629549b 100644
--- a/src/Controller/Component/CRUDComponent.php
+++ b/src/Controller/Component/CRUDComponent.php
@@ -1023,6 +1023,7 @@ class CRUDComponent extends Component
                 }
             }
             if (!empty($params['relatedFilters'])) {
+                // $query->group("{$this->TableAlias}.id");
                 foreach ($params['relatedFilters'] as $filter => $filterValue) {
                     $activeFilters[$filter] = $filterValue;
                     $filterParts = explode('.', $filter);
@@ -1066,6 +1067,9 @@ class CRUDComponent extends Component
         return $query->where([$modelAlias . '.id IN' => $subQuery]);
     }
 
+    // FIXME: Adding related condition with association having `through` setup might include duplicate in the result set
+    // We should probably rely on `innerJoinWith` and perform deduplication via `distinct`
+    // Or grouping by primary key for the main model (however this is not optimal/efficient/clean)
     protected function setNestedRelatedCondition($query, $filterParts, $filterValue)
     {
         $modelName = $filterParts[0];