diff --git a/pytest_sftpserver/plugin.py b/pytest_sftpserver/plugin.py
index 6b3680a..b5661ac 100644
--- a/pytest_sftpserver/plugin.py
+++ b/pytest_sftpserver/plugin.py
@@ -15,3 +15,4 @@ def sftpserver(request):
 
     if server.is_alive():
         server.shutdown()
+    server.server_close()