diff --git a/arch/x86/include/asm/futex.h b/arch/x86/include/asm/futex.h
index 06b924e..1f11ce4 100644
--- a/arch/x86/include/asm/futex.h
+++ b/arch/x86/include/asm/futex.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__FUTEX_H
-#define ASM_X86__FUTEX_H
+#ifndef _ASM_X86_FUTEX_H
+#define _ASM_X86_FUTEX_H
 
 #ifdef __KERNEL__
 
@@ -137,4 +137,4 @@
 }
 
 #endif
-#endif /* ASM_X86__FUTEX_H */
+#endif /* _ASM_X86_FUTEX_H */