diff --git a/arch/um/drivers/line.c b/arch/um/drivers/line.c
index aa3090d..83301e1 100644
--- a/arch/um/drivers/line.c
+++ b/arch/um/drivers/line.c
@@ -246,7 +246,7 @@
 	return ret;
 }
 
-void line_set_termios(struct tty_struct *tty, struct termios * old)
+void line_set_termios(struct tty_struct *tty, struct ktermios * old)
 {
 	/* nothing */
 }