diff --git a/src/PhpseclibV3/SftpAdapterTest.php b/src/PhpseclibV3/SftpAdapterTest.php
index 696b4a67c..92d9a505f 100644
--- a/src/PhpseclibV3/SftpAdapterTest.php
+++ b/src/PhpseclibV3/SftpAdapterTest.php
@@ -233,7 +233,7 @@ public function it_can_proactively_close_a_connection(): void
 
     private static function connectionProvider(): StubSftpConnectionProvider
     {
-        if ( ! static::$connectionProvider instanceof StubSftpConnectionProvider) {
+        if ( ! static::$connectionProvider instanceof ConnectionProvider) {
             static::$connectionProvider = new StubSftpConnectionProvider('localhost', 'foo', 'pass', 2222);
         }