diff --git a/arch/um/sys-i386/ptrace.c b/arch/um/sys-i386/ptrace.c
index 7792365..dcf0c6b 100644
--- a/arch/um/sys-i386/ptrace.c
+++ b/arch/um/sys-i386/ptrace.c
@@ -14,16 +14,18 @@
 #include "sysdep/sigcontext.h"
 #include "sysdep/sc.h"
 
-void arch_switch_to_skas(struct task_struct *from, struct task_struct *to)
+extern int arch_switch_tls(struct task_struct *from, struct task_struct *to);
+
+void arch_switch_to(struct task_struct *from, struct task_struct *to)
 {
-	int err = arch_switch_tls_skas(from, to);
+	int err = arch_switch_tls(from, to);
 	if (!err)
 		return;
 
 	if (err != -EINVAL)
-		printk(KERN_WARNING "arch_switch_tls_skas failed, errno %d, not EINVAL\n", -err);
+		printk(KERN_WARNING "arch_switch_tls failed, errno %d, not EINVAL\n", -err);
 	else
-		printk(KERN_WARNING "arch_switch_tls_skas failed, errno = EINVAL\n");
+		printk(KERN_WARNING "arch_switch_tls failed, errno = EINVAL\n");
 }
 
 int is_syscall(unsigned long addr)