diff --git a/lib/Object/ObjectFile.cpp b/lib/Object/ObjectFile.cpp
index 923baa58bcd..80343714e46 100644
--- a/lib/Object/ObjectFile.cpp
+++ b/lib/Object/ObjectFile.cpp
@@ -17,6 +17,7 @@
 #include "llvm/Support/FileSystem.h"
 #include "llvm/Support/MemoryBuffer.h"
 #include "llvm/Support/system_error.h"
+#include "llvm/Support/raw_ostream.h"
 
 using namespace llvm;
 using namespace object;