diff --git a/libcxx/include/__utility/exception_guard.h b/libcxx/include/__utility/exception_guard.h
index 94f67f8e6ca49..6fa744e8b4f32 100644
--- a/libcxx/include/__utility/exception_guard.h
+++ b/libcxx/include/__utility/exception_guard.h
@@ -6,8 +6,8 @@
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef _LIBCPP___UTILITY_TRANSACTION_H
-#define _LIBCPP___UTILITY_TRANSACTION_H
+#ifndef _LIBCPP___UTILITY_EXCEPTION_GUARD_H
+#define _LIBCPP___UTILITY_EXCEPTION_GUARD_H
 
 #include <__assert>
 #include <__config>
@@ -140,4 +140,4 @@ _LIBCPP_END_NAMESPACE_STD
 
 _LIBCPP_POP_MACROS
 
-#endif // _LIBCPP___UTILITY_TRANSACTION_H
+#endif // _LIBCPP___UTILITY_EXCEPTION_GUARD_H