diff --git a/arch/x86/kernel/signal.c b/arch/x86/kernel/signal.c
index 22c3bdc..8b091a59 100644
--- a/arch/x86/kernel/signal.c
+++ b/arch/x86/kernel/signal.c
@@ -421,6 +421,7 @@ static int __setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
 	void __user *fp = NULL;
 	int err = 0;
 	struct task_struct *me = current;
+	void *restorer;
 
 	frame = get_sigframe(ka, regs, sizeof(struct rt_sigframe), &fp);
 
@@ -450,7 +451,8 @@ static int __setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
 		   already in userspace.  */
 		/* x86-64 should always use SA_RESTORER. */
 		if (ka->sa.sa_flags & SA_RESTORER) {
-			put_user_ex(ka->sa.sa_restorer, &frame->pretcode);
+			restorer = (void *)ka->sa.sa_restorer;
+			put_user_ex(restorer, &frame->pretcode);
 		} else {
 			/* could use a vstub here */
 			err |= -EFAULT;