diff --git a/arch/powerpc/kernel/mce.c b/arch/powerpc/kernel/mce.c
index 9f3e133b57b78c0421a338adbf12937de5386db4..c381dc2f9858b027978e63e985096d1044e4fc4f 100644
--- a/arch/powerpc/kernel/mce.c
+++ b/arch/powerpc/kernel/mce.c
@@ -21,6 +21,7 @@
 #include <asm/machdep.h>
 #include <asm/mce.h>
 #include <asm/nmi.h>
+#include <asm/asm-prototypes.h>
 
 static DEFINE_PER_CPU(int, mce_nest_count);
 static DEFINE_PER_CPU(struct machine_check_event[MAX_MC_EVT], mce_event);