diff --git a/include/llvm/CodeGen/MachineInstr.h b/include/llvm/CodeGen/MachineInstr.h
index 83798aed22f..748ae15bf71 100644
--- a/include/llvm/CodeGen/MachineInstr.h
+++ b/include/llvm/CodeGen/MachineInstr.h
@@ -20,8 +20,8 @@
 #include "llvm/Support/DataTypes.h"
 #include "llvm/Support/NonCopyable.h"
 #include "llvm/Target/MachineInstrInfo.h"
-#include "hash_map"
-#include "hash_set"
+#include <hash_map>
+#include <hash_set>
 
 template<class _MI, class _V> class ValOpIterator;