diff --git a/src/proto/os_amiga.pro b/src/proto/os_amiga.pro
index b2ad9c3..abebae1 100644
--- a/src/proto/os_amiga.pro
+++ b/src/proto/os_amiga.pro
@@ -5,7 +5,7 @@
 int mch_inchar(char_u *buf, int maxlen, long time, int tb_change_cnt);
 int mch_char_avail(void);
 long_u mch_avail_mem(int special);
-void mch_delay(long msec, int ignoreinput);
+void mch_delay(long msec, int flags);
 void mch_suspend(void);
 void mch_init(void);
 int mch_check_win(int argc, char **argv);