diff --git a/src/proto/cmdexpand.pro b/src/proto/cmdexpand.pro
index 5ffab8c..924b0b4 100644
--- a/src/proto/cmdexpand.pro
+++ b/src/proto/cmdexpand.pro
@@ -13,6 +13,7 @@
 char_u *sm_gettail(char_u *s);
 char_u *addstar(char_u *fname, int len, int context);
 void set_cmd_context(expand_T *xp, char_u *str, int len, int col, int use_ccline);
+void set_expand_context(expand_T *xp);
 int expand_cmdline(expand_T *xp, char_u *str, int col, int *matchcount, char_u ***matches);
 void globpath(char_u *path, char_u *file, garray_T *ga, int expand_options);
 int wildmenu_translate_key(cmdline_info_T *cclp, int key, expand_T *xp, int did_wild_list);