diff --git a/include/asm-um/ldt-x86_64.h b/include/asm-um/ldt-x86_64.h
index 175722a9116478545c8d8c90da1b8f92fe0fe9f5..57159f12dde27aa54b69f3dcddf577527bb7cd56 100644
--- a/include/asm-um/ldt-x86_64.h
+++ b/include/asm-um/ldt-x86_64.h
@@ -5,8 +5,8 @@
  * Author: Bodo Stroesser <bstroesser@fujitsu-siemens.com>
  */
 
-#ifndef __ASM_LDT_I386_H
-#define __ASM_LDT_I386_H
+#ifndef __ASM_LDT_X86_64_H
+#define __ASM_LDT_X86_64_H
 
 #include "asm/semaphore.h"
 #include "asm/arch/ldt.h"