diff --git a/test/blackbox-tests/test-cases/utop/utop-module-collision.t/dune-project b/test/blackbox-tests/test-cases/utop/utop-module-collision.t/dune-project
new file mode 100644
index 00000000000..2f602c3083f
--- /dev/null
+++ b/test/blackbox-tests/test-cases/utop/utop-module-collision.t/dune-project
@@ -0,0 +1 @@
+(lang dune 3.10)
diff --git a/test/blackbox-tests/test-cases/utop/utop-module-collision.t/init_react.ml b/test/blackbox-tests/test-cases/utop/utop-module-collision.t/init_react.ml
new file mode 100644
index 00000000000..00cb3cf19a7
--- /dev/null
+++ b/test/blackbox-tests/test-cases/utop/utop-module-collision.t/init_react.ml
@@ -0,0 +1 @@
+React.run ();;
diff --git a/test/blackbox-tests/test-cases/utop/utop-module-collision.t/react/dune b/test/blackbox-tests/test-cases/utop/utop-module-collision.t/react/dune
new file mode 100644
index 00000000000..8a1235be49f
--- /dev/null
+++ b/test/blackbox-tests/test-cases/utop/utop-module-collision.t/react/dune
@@ -0,0 +1,2 @@
+(library
+ (name react))
diff --git a/test/blackbox-tests/test-cases/utop/utop-module-collision.t/react/react.ml b/test/blackbox-tests/test-cases/utop/utop-module-collision.t/react/react.ml
new file mode 100644
index 00000000000..0cd324d7b5f
--- /dev/null
+++ b/test/blackbox-tests/test-cases/utop/utop-module-collision.t/react/react.ml
@@ -0,0 +1 @@
+let run () = print_endline "hello in utop"
diff --git a/test/blackbox-tests/test-cases/utop/utop-module-collision.t/run.t b/test/blackbox-tests/test-cases/utop/utop-module-collision.t/run.t
new file mode 100644
index 00000000000..5adecb9bbc9
--- /dev/null
+++ b/test/blackbox-tests/test-cases/utop/utop-module-collision.t/run.t
@@ -0,0 +1,7 @@
+  $ opam_prefix="$(opam var prefix)"
+  $ export BUILD_PATH_PREFIX_MAP="/OPAM_PREFIX=$opam_prefix:$BUILD_PATH_PREFIX_MAP"
+
+  $ dune utop react -- init_react.ml
+  File "react/react.cma(React)", line 1:
+  Warning 31 [module-linked-twice]: files react/react.cma(React) and /OPAM_PREFIX/lib/react/react.cma(React) both define a module named React
+  hello in utop