diff --git a/src/proto/window.pro b/src/proto/window.pro
index d56ae1b..847b64b 100644
--- a/src/proto/window.pro
+++ b/src/proto/window.pro
@@ -27,7 +27,7 @@
 tabpage_T *find_tabpage __ARGS((int n));
 int tabpage_index __ARGS((tabpage_T *ftp));
 void goto_tabpage __ARGS((int n));
-void goto_tabpage_tp __ARGS((tabpage_T *tp));
+void goto_tabpage_tp __ARGS((tabpage_T *tp, int trigger_autocmds));
 void goto_tabpage_win __ARGS((tabpage_T *tp, win_T *wp));
 void tabpage_move __ARGS((int nr));
 void win_goto __ARGS((win_T *wp));