diff --git a/clang/lib/Frontend/PCHReader.cpp b/clang/lib/Frontend/PCHReader.cpp
index a812604e395e..97a5ddee8ebf 100644
--- a/clang/lib/Frontend/PCHReader.cpp
+++ b/clang/lib/Frontend/PCHReader.cpp
@@ -1404,10 +1404,7 @@ PCHReader::PCHReadResult PCHReader::ReadPCH(const std::string &FileName) {
   //
   // FIXME: This shouldn't be here, we should just take a raw_ostream.
   std::string ErrStr;
-  if (FileName == "-")
-    Buffer.reset(llvm::MemoryBuffer::getSTDIN());
-  else
-    Buffer.reset(llvm::MemoryBuffer::getFile(FileName.c_str(), &ErrStr));
+  Buffer.reset(llvm::MemoryBuffer::getFileOrSTDIN(FileName, &ErrStr));
   if (!Buffer) {
     Error(ErrStr.c_str());
     return IgnorePCH;