diff --git a/llvm/utils/lit/tests/xunit-output.py b/llvm/utils/lit/tests/xunit-output.py
index 9d3cd762df46..845ffdb50cfd 100644
--- a/llvm/utils/lit/tests/xunit-output.py
+++ b/llvm/utils/lit/tests/xunit-output.py
@@ -1,3 +1,5 @@
+# REQUIRES: shell
+
 # Check xunit output
 # RUN: rm -rf %t.xunit.xml
 # RUN: not %{lit} --xunit-xml-output %t.xunit.xml %{inputs}/xunit-output