diff --git a/llvm/lib/MC/MCDisassembler/Disassembler.cpp b/llvm/lib/MC/MCDisassembler/Disassembler.cpp
index 4242bf1dffa4..a2aaced09bbf 100644
--- a/llvm/lib/MC/MCDisassembler/Disassembler.cpp
+++ b/llvm/lib/MC/MCDisassembler/Disassembler.cpp
@@ -11,10 +11,11 @@
 #include "llvm-c/Disassembler.h"
 
 #include "llvm/MC/MCAsmInfo.h"
+#include "llvm/MC/MCContext.h"
 #include "llvm/MC/MCDisassembler.h"
 #include "llvm/MC/MCInst.h"
 #include "llvm/MC/MCInstPrinter.h"
-#include "llvm/MC/MCContext.h"
+#include "llvm/MC/MCRegisterInfo.h"
 #include "llvm/Target/TargetRegistry.h"
 #include "llvm/Target/TargetAsmInfo.h"  // FIXME.
 #include "llvm/Target/TargetMachine.h"  // FIXME.