diff --git a/llvm/utils/lit/tests/xunit-output.py b/llvm/utils/lit/tests/xunit-output.py
index 92b693256c69b..67d99849fe36d 100644
--- a/llvm/utils/lit/tests/xunit-output.py
+++ b/llvm/utils/lit/tests/xunit-output.py
@@ -1,4 +1,4 @@
-# REQUIRES: shell
+# UNSUPPORTED: system-windows
 
 # Check xunit output
 # RUN: rm -rf %t.xunit.xml