diff --git a/setup.py b/setup.py
index 0be3d7c..b1f6d2e 100644
--- a/setup.py
+++ b/setup.py
@@ -82,7 +82,7 @@ def update_package():
                 url = 'https://www.zabbix.com/downloads/%s/%s' % (latest_version, filename)
                 print('Downloading %s from %s' % (filename, url))
                 wget(url, filename)
-            for old in glob.glob(r'zabbix_agent-*-win-%s-openssl.msi' % arch):
+            for old in glob.glob(r'zabbix_agent-*-windows-%s-openssl.msi' % arch):
                 if not old == filename:
                     remove_file(old)