diff --git a/arch/um/kernel/uaccess.c b/arch/um/kernel/uaccess.c
index 054e3de..d7436aa 100644
--- a/arch/um/kernel/uaccess.c
+++ b/arch/um/kernel/uaccess.c
@@ -18,7 +18,7 @@
 
 
 int __do_copy_to_user(void *to, const void *from, int n,
-		      void **fault_addr, void **fault_catcher)
+		      void **fault_addr, jmp_buf **fault_catcher)
 {
 	unsigned long fault;
 	int faulted;