diff --git a/arch/um/include/kern_util.h b/arch/um/include/kern_util.h
index ae434a9..092a284 100644
--- a/arch/um/include/kern_util.h
+++ b/arch/um/include/kern_util.h
@@ -44,7 +44,7 @@
 extern int do_signal(void);
 extern int is_stack_fault(unsigned long sp);
 extern unsigned long segv(struct faultinfo fi, unsigned long ip,
-			  int is_user, void *sc);
+			  int is_user, union uml_pt_regs *regs);
 extern int handle_page_fault(unsigned long address, unsigned long ip,
 			     int is_write, int is_user, int *code_out);
 extern void syscall_ready(void);