diff --git a/rebar.config.script b/rebar.config.script
index 60a64b9d..9e75fbd2 100644
--- a/rebar.config.script
+++ b/rebar.config.script
@@ -6,7 +6,7 @@
 %% actually running.
 case os:type() of
     {unix,darwin} ->
-        Opt = " -mmacosx-version-min=10.8",
+        Opt = " -mmacosx-version-min=10.8 -stdlib=libc++",
         [Mjr|_] = string:tokens(os:cmd("/usr/bin/uname -r"), "."),
         Major = list_to_integer(Mjr),
         if