diff --git a/testinfra/test_mirror.py b/testinfra/test_mirror.py
index 359383ce9f..fa32a3ea96 100644
--- a/testinfra/test_mirror.py
+++ b/testinfra/test_mirror.py
@@ -25,7 +25,7 @@ def test_apache(host):
 
 def _run_cmd(host, port, scheme='https', url='', curl_opt=''):
     hostname = host.backend.get_hostname()
-    return f'curl {curl_opt} --resolve {hostname}:127.0.0.1 {scheme}://{hostname}:{port}{url}'
+    return f'curl {curl_opt} --resolve {hostname}:{port}:127.0.0.1 {scheme}://{hostname}:{port}{url}'
 
 def test_base_mirror(host):
     # base mirror