diff --git a/mirror_proxy.t b/mirror_proxy.t
index efa1f2f..5f94f03 100644
--- a/mirror_proxy.t
+++ b/mirror_proxy.t
@@ -90,6 +90,9 @@
 
 # delayed subrequest should not affect main request processing nor stuck itself
 
+SKIP: {
+skip 'hang on win32', 1 if $^O eq 'MSWin32' and !$ENV{TEST_NGINX_UNSAFE};
+
 TODO: {
 local $TODO = 'not yet';
 
@@ -97,6 +100,8 @@
 
 }
 
+}
+
 $t->todo_alerts();
 $t->stop();