diff --git a/lib/CodeGen/MachineVerifier.cpp b/lib/CodeGen/MachineVerifier.cpp
index 4edb604..e74bfc8 100644
--- a/lib/CodeGen/MachineVerifier.cpp
+++ b/lib/CodeGen/MachineVerifier.cpp
@@ -271,8 +271,7 @@
   raw_ostream *OutFile = 0;
   if (OutFileName) {
     std::string ErrorInfo;
-    OutFile = new raw_fd_ostream(OutFileName, ErrorInfo,
-                                 raw_fd_ostream::F_Append);
+    OutFile = new raw_fd_ostream(OutFileName, ErrorInfo, sys::fs::F_Append);
     if (!ErrorInfo.empty()) {
       errs() << "Error opening '" << OutFileName << "': " << ErrorInfo << '\n';
       exit(1);