diff --git a/llvm/lib/MC/MCDisassembler/Disassembler.h b/llvm/lib/MC/MCDisassembler/Disassembler.h
index d1d40cd..46d0c4c 100644
--- a/llvm/lib/MC/MCDisassembler/Disassembler.h
+++ b/llvm/lib/MC/MCDisassembler/Disassembler.h
@@ -14,8 +14,8 @@
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef LLVM_MC_DISASSEMBLER_H
-#define LLVM_MC_DISASSEMBLER_H
+#ifndef LLVM_LIB_MC_MCDISASSEMBLER_DISASSEMBLER_H
+#define LLVM_LIB_MC_MCDISASSEMBLER_DISASSEMBLER_H
 
 #include "llvm-c/Disassembler.h"
 #include "llvm/ADT/SmallString.h"