diff --git a/test/blackbox-tests/test-cases/github11200.t/run.t b/test/blackbox-tests/test-cases/github11200.t/run.t
new file mode 100644
index 00000000000..27944c6daff
--- /dev/null
+++ b/test/blackbox-tests/test-cases/github11200.t/run.t
@@ -0,0 +1,4 @@
+Running `dune subst` should succeed in an empty directory.
+Regression test for https://github.com/ocaml/dune/issues/11200
+
+  $ dune subst