diff --git a/tests/QueryBuilderTest.php b/tests/QueryBuilderTest.php
index 1cfbaaf4..11a4a69c 100644
--- a/tests/QueryBuilderTest.php
+++ b/tests/QueryBuilderTest.php
@@ -675,4 +675,10 @@ public function testUpsertExecute(
     ): void {
         parent::testUpsertExecute($table, $insertColumns, $updateColumns);
     }
+
+    /** @dataProvider \Yiisoft\Db\Pgsql\Tests\Provider\QueryBuilderProvider::selectScalar */
+    public function testSelectScalar(array|bool|float|int|string $columns, string $expected): void
+    {
+        parent::testSelectScalar($columns, $expected);
+    }
 }