diff --git a/test/blackbox-tests/test-cases/menhir/include-subdirs-group-interface.t b/test/blackbox-tests/test-cases/menhir/include-subdirs-group-interface.t
new file mode 100644
index 00000000000..940b1faa559
--- /dev/null
+++ b/test/blackbox-tests/test-cases/menhir/include-subdirs-group-interface.t
@@ -0,0 +1,37 @@
+We should be able to use menhir as a group interface:
+
+  $ cat >dune-project <<EOF
+  > (lang dune 3.11)
+  > (using menhir 2.1)
+  > EOF
+
+  $ cat >dune <<EOF
+  > (include_subdirs qualified)
+  > (executable (name foo))
+  > EOF
+  $ touch foo.ml
+
+  $ mkdir group
+  $ cat >group/dune <<EOF
+  > (menhir (modules group))
+  > EOF
+
+  $ cat >group/group.mly <<EOF
+  > %{
+  > module M = M
+  > %}
+  > %token EOF
+  > 
+  > %start<unit> unit
+  > %%
+  > 
+  > unit:
+  > | EOF { () }
+  > EOF
+
+  $ touch group/m.ml
+
+  $ dune build
+  File "group/group.mly", line 2, characters 11-12:
+  Error: Unbound module M
+  [1]