--- /dev/null
+Index: opam-1.3.1/src/tools/opam_installer.ml
+===================================================================
+--- opam-1.3.1.orig/src/tools/opam_installer.ml
++++ opam-1.3.1/src/tools/opam_installer.ml
+@@ -312,7 +312,7 @@ let options =
+ let mandir = mk_dir mandir in
+ let libdir = mk_dir libdir in
+ let stubsdir = match mk_dir stubsdir, libdir with
+- | None, Some d -> Some OpamFilename.Op.(d / "stubslibs")
++ | None, Some d -> Some OpamFilename.Op.(d / "stublibs")
+ | d, None | (Some _ as d), _ -> d
+ in
+ let topdir = match mk_dir topdir, libdir with