diff --git a/clang/lib/Frontend/ASTUnit.cpp b/clang/lib/Frontend/ASTUnit.cpp
index ee36caa..7445a94 100644
--- a/clang/lib/Frontend/ASTUnit.cpp
+++ b/clang/lib/Frontend/ASTUnit.cpp
@@ -75,7 +75,7 @@
 #include "llvm/ADT/StringSet.h"
 #include "llvm/ADT/Twine.h"
 #include "llvm/ADT/iterator_range.h"
-#include "llvm/Bitcode/BitstreamWriter.h"
+#include "llvm/Bitstream/BitstreamWriter.h"
 #include "llvm/Support/Allocator.h"
 #include "llvm/Support/Casting.h"
 #include "llvm/Support/CrashRecoveryContext.h"