diff --git a/tests/system/Database/Migrations/MigrationRunnerTest.php b/tests/system/Database/Migrations/MigrationRunnerTest.php
index 79ad1cf39330..fdf5a56d2037 100644
--- a/tests/system/Database/Migrations/MigrationRunnerTest.php
+++ b/tests/system/Database/Migrations/MigrationRunnerTest.php
@@ -472,6 +472,8 @@ public function testMigrationUsesSameConnectionAsMigrationRunner(): void
         $runner->latest();
 
         $tables = $database->listTables();
+        $database->close();
+
         $this->assertCount(2, $tables);
         $this->assertSame('migrations', $tables[0]);
         $this->assertSame('foo', $tables[1]);