diff --git a/src/Schema.php b/src/Schema.php
index 25a5b5c7f..855daca6d 100644
--- a/src/Schema.php
+++ b/src/Schema.php
@@ -197,6 +197,7 @@ protected function loadTableIndexes(string $tableName): array
             ':tableName' => $nameParts['name'],
         ])->queryAll();
 
+        /** @psalm-var list<array<string,mixed>> $indexes */
         $indexes = array_map(array_change_key_case(...), $indexes);
         $indexes = DbArrayHelper::arrange($indexes, ['name']);
         $result = [];
@@ -626,6 +627,7 @@ private function loadTableConstraints(string $tableName, string $returnType): ar
             ':tableName' => $nameParts['name'],
         ])->queryAll();
 
+        /** @psalm-var list<array<string,mixed>> $constraints */
         $constraints = array_map(array_change_key_case(...), $constraints);
         $constraints = DbArrayHelper::arrange($constraints, ['type', 'name']);