diff --git a/clang/lib/CodeGen/CoverageMappingGen.h b/clang/lib/CodeGen/CoverageMappingGen.h
index 5a73a47..8f4d745 100644
--- a/clang/lib/CodeGen/CoverageMappingGen.h
+++ b/clang/lib/CodeGen/CoverageMappingGen.h
@@ -11,8 +11,8 @@
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef CLANG_CODEGEN_COVERAGEMAPPINGGEN_H
-#define CLANG_CODEGEN_COVERAGEMAPPINGGEN_H
+#ifndef LLVM_CLANG_LIB_CODEGEN_COVERAGEMAPPINGGEN_H
+#define LLVM_CLANG_LIB_CODEGEN_COVERAGEMAPPINGGEN_H
 
 #include "clang/Basic/LLVM.h"
 #include "clang/Basic/SourceLocation.h"