diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp
index 296d541..9e03a18 100644
--- a/lib/Driver/Tools.cpp
+++ b/lib/Driver/Tools.cpp
@@ -1401,6 +1401,10 @@
                     options::OPT_fno_show_source_location))
     CmdArgs.push_back("-fno-show-source-location");
 
+  if (!Args.hasFlag(options::OPT_fspell_checking,
+                    options::OPT_fno_spell_checking))
+    CmdArgs.push_back("-fno-spell-checking");
+  
   if (Arg *A = Args.getLastArg(options::OPT_fshow_overloads_EQ))
     A->render(Args, CmdArgs);