diff --git a/init/do_mounts.c b/init/do_mounts.c
index b17e009..2c71dab 100644
--- a/init/do_mounts.c
+++ b/init/do_mounts.c
@@ -500,7 +500,7 @@ void __init change_floppy(char *fmt, ...)
 		ksys_ioctl(fd, TCGETS, (long)&termios);
 		termios.c_lflag &= ~ICANON;
 		ksys_ioctl(fd, TCSETSF, (long)&termios);
-		sys_read(fd, &c, 1);
+		ksys_read(fd, &c, 1);
 		termios.c_lflag |= ICANON;
 		ksys_ioctl(fd, TCSETSF, (long)&termios);
 		ksys_close(fd);