diff --git a/lib/CompilerDriver/BuiltinOptions.cpp b/lib/CompilerDriver/BuiltinOptions.cpp
index a3364e8..126346f 100644
--- a/lib/CompilerDriver/BuiltinOptions.cpp
+++ b/lib/CompilerDriver/BuiltinOptions.cpp
@@ -52,4 +52,5 @@
                        "Use current working directory"),
             clEnumValN(SaveTempsEnum::Obj, "", "Same as 'cwd'"),
             clEnumValEnd),
- cl::ValueOptional);
+ //cl::ValueOptional);
+ cl::Hidden);