diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp
index fd071df..abfabbb 100644
--- a/lib/Driver/Tools.cpp
+++ b/lib/Driver/Tools.cpp
@@ -479,6 +479,7 @@
   Args.AddLastArg(CmdArgs, options::OPT_fno_show_column);
   Args.AddLastArg(CmdArgs, options::OPT_fobjc_gc_only);
   Args.AddLastArg(CmdArgs, options::OPT_fobjc_gc);
+  Args.AddLastArg(CmdArgs, options::OPT_fobjc_sender_dependent_dispatch);
   // FIXME: Should we remove this?
   Args.AddLastArg(CmdArgs, options::OPT_fobjc_nonfragile_abi);
   Args.AddLastArg(CmdArgs, options::OPT_fobjc_tight_layout);