diff --git a/arch/i386/mach-voyager/voyager_basic.c b/arch/i386/mach-voyager/voyager_basic.c
index 8fe7e45..9b77b39 100644
--- a/arch/i386/mach-voyager/voyager_basic.c
+++ b/arch/i386/mach-voyager/voyager_basic.c
@@ -292,8 +292,8 @@
 void
 mca_nmi_hook(void)
 {
-	__u8 dumpval __attribute__((unused)) = inb(0xf823);
-	__u8 swnmi __attribute__((unused)) = inb(0xf813);
+	__u8 dumpval __maybe_unused = inb(0xf823);
+	__u8 swnmi __maybe_unused = inb(0xf813);
 
 	/* FIXME: assume dump switch pressed */
 	/* check to see if the dump switch was pressed */