diff --git a/testsuite/tee/tee-tees-input b/testsuite/tee/tee-tees-input
new file mode 100644
index 0000000..26e2173
--- /dev/null
+++ b/testsuite/tee/tee-tees-input
@@ -0,0 +1,3 @@
+echo i\'m a little teapot >foo
+echo i\'m a little teapot | busybox tee bar >baz
+cmp foo bar && cmp foo baz