diff --git a/arch/powerpc/kernel/vecemu.c b/arch/powerpc/kernel/vecemu.c
index 8812085883fd..4acd3fb2b38e 100644
--- a/arch/powerpc/kernel/vecemu.c
+++ b/arch/powerpc/kernel/vecemu.c
@@ -8,6 +8,7 @@
 #include <linux/sched.h>
 #include <asm/ptrace.h>
 #include <asm/processor.h>
+#include <asm/switch_to.h>
 #include <linux/uaccess.h>
 
 /* Functions in vector.S */