diff --git a/source/libublsettings.h b/source/libublsettings.h
index 02be920..b3dbafc 100644
--- a/source/libublsettings.h
+++ b/source/libublsettings.h
@@ -694,6 +694,8 @@ char *yon_char_unite(const char *source, ...);
 
 char *yon_cut(char *source, int size, int startpos);
 
+int yon_char_check_element(char *target, char *element, char *divider);
+
 /**
  * @brief Check if string begins with substring.
  *