diff --git a/unittests/Support/Path.cpp b/unittests/Support/Path.cpp
index 2d8141f7372..d834ec04e04 100644
--- a/unittests/Support/Path.cpp
+++ b/unittests/Support/Path.cpp
@@ -521,7 +521,7 @@ TEST_F(FileSystemTest, CarriageReturn) {
   path::append(FilePathname, "test");
 
   {
-    raw_fd_ostream File(FilePathname.c_str(), ErrMsg);
+    raw_fd_ostream File(FilePathname.c_str(), ErrMsg, sys::fs::F_None);
     EXPECT_EQ(ErrMsg, "");
     File << '\n';
   }