diff --git a/test/blackbox-tests/test-cases/merlin/implicit-transitive-deps.t/bin/dune b/test/blackbox-tests/test-cases/merlin/implicit-transitive-deps.t/bin/dune
new file mode 100644
index 000000000000..95d07f5d928d
--- /dev/null
+++ b/test/blackbox-tests/test-cases/merlin/implicit-transitive-deps.t/bin/dune
@@ -0,0 +1,3 @@
+(executable
+ (name main)
+ (libraries lib1))
\ No newline at end of file
diff --git a/test/blackbox-tests/test-cases/merlin/implicit-transitive-deps.t/bin/main.ml b/test/blackbox-tests/test-cases/merlin/implicit-transitive-deps.t/bin/main.ml
new file mode 100644
index 000000000000..2f5fb3b592da
--- /dev/null
+++ b/test/blackbox-tests/test-cases/merlin/implicit-transitive-deps.t/bin/main.ml
@@ -0,0 +1 @@
+type t = Lib1.t
\ No newline at end of file
diff --git a/test/blackbox-tests/test-cases/merlin/implicit-transitive-deps.t/dune-project b/test/blackbox-tests/test-cases/merlin/implicit-transitive-deps.t/dune-project
new file mode 100644
index 000000000000..f390b5360ef0
--- /dev/null
+++ b/test/blackbox-tests/test-cases/merlin/implicit-transitive-deps.t/dune-project
@@ -0,0 +1,2 @@
+(lang dune 2.0)
+(implicit_transitive_deps false)
\ No newline at end of file
diff --git a/test/blackbox-tests/test-cases/merlin/implicit-transitive-deps.t/run.t b/test/blackbox-tests/test-cases/merlin/implicit-transitive-deps.t/run.t
new file mode 100644
index 000000000000..63411a3e183d
--- /dev/null
+++ b/test/blackbox-tests/test-cases/merlin/implicit-transitive-deps.t/run.t
@@ -0,0 +1,36 @@
+  $ stdlib="$(ocamlc -where)"
+  $ export BUILD_PATH_PREFIX_MAP="/STDLIB=$stdlib:$BUILD_PATH_PREFIX_MAP"
+
+  $ dune build @check
+
+FIXME: Merlin must be able to locate the definitions of values coming from an
+implicit transitive dependency, even when `implicit-transitive-dependency` is
+set to `false`. They should be part of the source path returned by the
+configuration.
+
+In this test the dependencies are as follow:
+main -> lib1 -> lib2 -> stdlib
+
+  $ FILE=$PWD/bin/main.ml
+  $ printf "(4:File%d:%s)" ${#FILE} $FILE | dune ocaml-merlin |
+  > sed -E "s/[[:digit:]]+:/\?:/g" | tr '(' '\n' | grep -E ":[BS]H?\?"
+  ?:B?:$TESTCASE_ROOT/_build/default/bin/.main.eobjs/byte)
+  ?:B?:$TESTCASE_ROOT/_build/default/src/lib1/.lib1.objs/byte)
+  ?:S?:$TESTCASE_ROOT/bin)
+  ?:S?:$TESTCASE_ROOT/src/lib1)
+
+  $ FILE=$PWD/src/lib1/lib1.ml
+  $ printf "(4:File%d:%s)" ${#FILE} $FILE | dune ocaml-merlin |
+  > sed -E "s/[[:digit:]]+:/\?:/g" | tr '(' '\n' | grep -E ":[BS]H?\?"
+  ?:B?:$TESTCASE_ROOT/_build/default/src/lib1/.lib1.objs/byte)
+  ?:B?:$TESTCASE_ROOT/_build/default/src/lib2/.lib2.objs/byte)
+  ?:S?:$TESTCASE_ROOT/src/lib1)
+  ?:S?:$TESTCASE_ROOT/src/lib2)
+
+  $ FILE=$PWD/src/lib2/lib2.ml
+  $ printf "(4:File%d:%s)" ${#FILE} $FILE | dune ocaml-merlin |
+  > sed -E "s/[[:digit:]]+:/\?:/g" | tr '(' '\n' | grep -E ":[BS]H?\?"
+  ?:B?:/STDLIB)
+  ?:B?:$TESTCASE_ROOT/_build/default/src/lib2/.lib2.objs/byte)
+  ?:S?:/STDLIB)
+  ?:S?:$TESTCASE_ROOT/src/lib2)
diff --git a/test/blackbox-tests/test-cases/merlin/implicit-transitive-deps.t/src/lib1/dune b/test/blackbox-tests/test-cases/merlin/implicit-transitive-deps.t/src/lib1/dune
new file mode 100644
index 000000000000..70976155582c
--- /dev/null
+++ b/test/blackbox-tests/test-cases/merlin/implicit-transitive-deps.t/src/lib1/dune
@@ -0,0 +1,3 @@
+(library
+ (name lib1)
+ (libraries lib2))
diff --git a/test/blackbox-tests/test-cases/merlin/implicit-transitive-deps.t/src/lib1/lib1.ml b/test/blackbox-tests/test-cases/merlin/implicit-transitive-deps.t/src/lib1/lib1.ml
new file mode 100644
index 000000000000..8b4941c18c68
--- /dev/null
+++ b/test/blackbox-tests/test-cases/merlin/implicit-transitive-deps.t/src/lib1/lib1.ml
@@ -0,0 +1 @@
+include Lib2
diff --git a/test/blackbox-tests/test-cases/merlin/implicit-transitive-deps.t/src/lib2/dune b/test/blackbox-tests/test-cases/merlin/implicit-transitive-deps.t/src/lib2/dune
new file mode 100644
index 000000000000..20ee4bdb2cb0
--- /dev/null
+++ b/test/blackbox-tests/test-cases/merlin/implicit-transitive-deps.t/src/lib2/dune
@@ -0,0 +1,2 @@
+(library
+ (name lib2))
diff --git a/test/blackbox-tests/test-cases/merlin/implicit-transitive-deps.t/src/lib2/lib2.ml b/test/blackbox-tests/test-cases/merlin/implicit-transitive-deps.t/src/lib2/lib2.ml
new file mode 100644
index 000000000000..9af56f5df828
--- /dev/null
+++ b/test/blackbox-tests/test-cases/merlin/implicit-transitive-deps.t/src/lib2/lib2.ml
@@ -0,0 +1,3 @@
+type t = bool
+
+type r = float