diff --git a/arch/ppc/kernel/signal.c b/arch/ppc/kernel/signal.c
index 645eae19805c..d500f5ebc29c 100644
--- a/arch/ppc/kernel/signal.c
+++ b/arch/ppc/kernel/signal.c
@@ -632,7 +632,7 @@ handle_signal(unsigned long sig, struct k_sigaction *ka,
 	if (__put_user((unsigned long) ka->sa.sa_handler, &sc->handler)
 	    || __put_user(oldset->sig[0], &sc->oldmask)
 	    || __put_user(oldset->sig[1], &sc->_unused[3])
-	    || __put_user((struct pt_regs *)frame, &sc->regs)
+	    || __put_user((struct pt_regs __user *)frame, &sc->regs)
 	    || __put_user(sig, &sc->signal))
 		goto badframe;
 
diff --git a/include/asm-ppc/sigcontext.h b/include/asm-ppc/sigcontext.h
index fc5e358c65f1..f82dcccdee1e 100644
--- a/include/asm-ppc/sigcontext.h
+++ b/include/asm-ppc/sigcontext.h
@@ -9,7 +9,7 @@ struct sigcontext {
 	int		signal;
 	unsigned long	handler;
 	unsigned long	oldmask;
-	struct pt_regs 	*regs;
+	struct pt_regs 	__user *regs;
 };
 
 #endif