diff --git a/src/proto/search.pro b/src/proto/search.pro
index 1404790..a6843a0 100644
--- a/src/proto/search.pro
+++ b/src/proto/search.pro
@@ -36,6 +36,7 @@
 spat_T *get_spat(int idx);
 int get_spat_last_idx(void);
 void f_searchcount(typval_T *argvars, typval_T *rettv);
+int fuzzy_match(char_u *str, char_u *pat_arg, int matchseq, int *outScore, int_u *matches, int maxMatches);
 void f_matchfuzzy(typval_T *argvars, typval_T *rettv);
 void f_matchfuzzypos(typval_T *argvars, typval_T *rettv);
 /* vim: set ft=c : */