diff --git a/include/asm-powerpc/linkage.h b/include/asm-powerpc/linkage.h
index 291c2d0..e1c4ac1 100644
--- a/include/asm-powerpc/linkage.h
+++ b/include/asm-powerpc/linkage.h
@@ -1,6 +1,6 @@
-#ifndef __ASM_LINKAGE_H
-#define __ASM_LINKAGE_H
+#ifndef _ASM_POWERPC_LINKAGE_H
+#define _ASM_POWERPC_LINKAGE_H
 
 /* Nothing to see here... */
 
-#endif
+#endif	/* _ASM_POWERPC_LINKAGE_H */