diff --git a/arch/sparc/kernel/sys_sparc_64.c b/arch/sparc/kernel/sys_sparc_64.c
index 274ed0b9b3e0..1c079e7bab09 100644
--- a/arch/sparc/kernel/sys_sparc_64.c
+++ b/arch/sparc/kernel/sys_sparc_64.c
@@ -344,7 +344,7 @@ SYSCALL_DEFINE6(sparc_ipc, unsigned int, call, int, first, unsigned long, second
 			goto out;
 		case SEMTIMEDOP:
 			err = sys_semtimedop(first, ptr, (unsigned int)second,
-				(const struct timespec __user *)
+				(const struct __kernel_timespec __user *)
 					     (unsigned long) fifth);
 			goto out;
 		case SEMGET: