diff --git a/src/lib_db.ml b/src/lib_db.ml
index a192ebd4..be534bd0 100644
--- a/src/lib_db.ml
+++ b/src/lib_db.ml
@@ -199,7 +199,7 @@ let ppx_runtime_deps_for_deprecated_method_exn t ~dir lib_deps =
   let lib_is_available name =
     String_set.mem name !seen || lib_is_available t ~from:dir name
   in
-  let rec loop lib_dep =
+  let rec loop dir lib_dep =
     match lib_dep with
     | Lib_dep.Direct name ->
       if not (String_set.mem name !seen) then begin
@@ -227,7 +227,7 @@ let ppx_runtime_deps_for_deprecated_method_exn t ~dir lib_deps =
       | None -> Loc.fail loc "No solution found for this select form"
   and process (lib : Lib.t) =
     match lib with
-    | Internal (_, lib) ->
+    | Internal (dir, lib) ->
       seen :=
         (let set = String_set.add lib.name !seen in
          match lib.public with
@@ -235,14 +235,14 @@ let ppx_runtime_deps_for_deprecated_method_exn t ~dir lib_deps =
          | Some p -> String_set.add p.name set);
       result := String_set.union !result
                   (String_set.of_list lib.ppx_runtime_libraries);
-      List.iter lib.buildable.libraries ~f:loop
+      List.iter lib.buildable.libraries ~f:(loop dir)
     | External pkg ->
       seen := String_set.add pkg.name !seen;
       result := String_set.union !result
                   (String_set.of_list
                      (List.map pkg.ppx_runtime_deps ~f:(fun p -> p.Findlib.name)))
   in
-  List.iter lib_deps ~f:loop;
+  List.iter lib_deps ~f:(loop dir);
   !result
 
 type resolved_select =
diff --git a/test/blackbox-tests/jbuild b/test/blackbox-tests/jbuild
index 869b4391..836da50c 100644
--- a/test/blackbox-tests/jbuild
+++ b/test/blackbox-tests/jbuild
@@ -257,3 +257,13 @@
      (progn
       (run ${exe:cram.exe} run.t)
       (diff? run.t run.t.corrected)))))))
+
+(alias
+ ((name runtest)
+  (deps ((files_recursively_in test-cases/scope-bug)))
+  (action
+   (chdir test-cases/scope-bug
+    (setenv JBUILDER ${bin:jbuilder}
+     (progn
+      (run ${exe:cram.exe} run.t)
+      (diff? run.t run.t.corrected)))))))
diff --git a/test/blackbox-tests/test-cases/scope-bug/alib/alib.ml b/test/blackbox-tests/test-cases/scope-bug/alib/alib.ml
new file mode 100644
index 00000000..e69de29b
diff --git a/test/blackbox-tests/test-cases/scope-bug/alib/alib.opam b/test/blackbox-tests/test-cases/scope-bug/alib/alib.opam
new file mode 100644
index 00000000..e69de29b
diff --git a/test/blackbox-tests/test-cases/scope-bug/alib/jbuild b/test/blackbox-tests/test-cases/scope-bug/alib/jbuild
new file mode 100644
index 00000000..26d5ea18
--- /dev/null
+++ b/test/blackbox-tests/test-cases/scope-bug/alib/jbuild
@@ -0,0 +1,6 @@
+(jbuild_version 1)
+
+(library
+ ((name alib)
+  (public_name alib)
+  (libraries (blib))))
diff --git a/test/blackbox-tests/test-cases/scope-bug/alib/main.ml b/test/blackbox-tests/test-cases/scope-bug/alib/main.ml
new file mode 100644
index 00000000..e69de29b
diff --git a/test/blackbox-tests/test-cases/scope-bug/blib/blib.ml b/test/blackbox-tests/test-cases/scope-bug/blib/blib.ml
new file mode 100644
index 00000000..e69de29b
diff --git a/test/blackbox-tests/test-cases/scope-bug/blib/blib.opam b/test/blackbox-tests/test-cases/scope-bug/blib/blib.opam
new file mode 100644
index 00000000..e69de29b
diff --git a/test/blackbox-tests/test-cases/scope-bug/blib/jbuild b/test/blackbox-tests/test-cases/scope-bug/blib/jbuild
new file mode 100644
index 00000000..6d3639dc
--- /dev/null
+++ b/test/blackbox-tests/test-cases/scope-bug/blib/jbuild
@@ -0,0 +1,6 @@
+(jbuild_version 1)
+
+(library
+ ((name blib)
+  (public_name blib)
+  (libraries (sub))))
diff --git a/test/blackbox-tests/test-cases/scope-bug/blib/sub/jbuild b/test/blackbox-tests/test-cases/scope-bug/blib/sub/jbuild
new file mode 100644
index 00000000..5ab19ae4
--- /dev/null
+++ b/test/blackbox-tests/test-cases/scope-bug/blib/sub/jbuild
@@ -0,0 +1,5 @@
+(jbuild_version 1)
+
+(library
+ ((name sub)
+  (public_name blib.sub)))
diff --git a/test/blackbox-tests/test-cases/scope-bug/blib/sub/sub.ml b/test/blackbox-tests/test-cases/scope-bug/blib/sub/sub.ml
new file mode 100644
index 00000000..e69de29b
diff --git a/test/blackbox-tests/test-cases/scope-bug/run.t b/test/blackbox-tests/test-cases/scope-bug/run.t
new file mode 100644
index 00000000..3c71f44e
--- /dev/null
+++ b/test/blackbox-tests/test-cases/scope-bug/run.t
@@ -0,0 +1,23 @@
+  $ $JBUILDER build -j1 --root . @install
+      ocamldep alib/alib.depends.ocamldep-output
+        ocamlc alib/alib__.{cmi,cmo,cmt}
+      ocamldep blib/blib.depends.ocamldep-output
+      ocamldep blib/sub/sub.depends.ocamldep-output
+      ocamlopt alib/alib__.{cmx,o}
+        ocamlc blib/sub/sub.{cmi,cmo,cmt}
+      ocamlopt blib/sub/sub.{cmx,o}
+        ocamlc blib/blib.{cmi,cmo,cmt}
+        ocamlc blib/sub/sub.cma
+      ocamlopt blib/sub/sub.{a,cmxa}
+      ocamlopt blib/blib.{cmx,o}
+        ocamlc alib/alib.{cmi,cmo,cmt}
+        ocamlc alib/alib__Main.{cmi,cmo,cmt}
+        ocamlc blib/blib.cma
+      ocamlopt blib/sub/sub.cmxs
+      ocamlopt blib/blib.{a,cmxa}
+      ocamlopt alib/alib.{cmx,o}
+      ocamlopt alib/alib__Main.{cmx,o}
+        ocamlc alib/alib.cma
+      ocamlopt blib/blib.cmxs
+      ocamlopt alib/alib.{a,cmxa}
+      ocamlopt alib/alib.cmxs