diff --git a/llvm/include/llvm/ExecutionEngine/Orc/LazyEmittingLayer.h b/llvm/include/llvm/ExecutionEngine/Orc/LazyEmittingLayer.h
index a332d5ee2a7c..f4f75c7fe237 100644
--- a/llvm/include/llvm/ExecutionEngine/Orc/LazyEmittingLayer.h
+++ b/llvm/include/llvm/ExecutionEngine/Orc/LazyEmittingLayer.h
@@ -20,6 +20,7 @@
 #include "llvm/IR/Module.h"
 #include "llvm/ADT/STLExtras.h"
 #include "llvm/ADT/StringMap.h"
+#include "llvm/Support/raw_ostream.h"
 #include <list>
 
 namespace llvm {