diff --git a/src/proto/search.pro b/src/proto/search.pro
index 304ad73..3d934f2 100644
--- a/src/proto/search.pro
+++ b/src/proto/search.pro
@@ -3,6 +3,7 @@
 char_u *get_search_pat __ARGS((void));
 void save_search_patterns __ARGS((void));
 void restore_search_patterns __ARGS((void));
+void free_search_patterns __ARGS((void));
 int ignorecase __ARGS((char_u *pat));
 char_u *last_search_pat __ARGS((void));
 void reset_search_dir __ARGS((void));