diff --git a/src/proto/normal.pro b/src/proto/normal.pro
index 6dcbe41..36a26ec 100644
--- a/src/proto/normal.pro
+++ b/src/proto/normal.pro
@@ -31,5 +31,6 @@
 void start_selection(void);
 void may_start_select(int c);
 int unadjust_for_sel(void);
+int unadjust_for_sel_inner(pos_T *pp);
 void set_cursor_for_append_to_line(void);
 /* vim: set ft=c : */