diff --git a/harbour/include/hbextern.ch b/harbour/include/hbextern.ch
index c1053349d2..ba026a8771 100644
--- a/harbour/include/hbextern.ch
+++ b/harbour/include/hbextern.ch
@@ -358,6 +358,14 @@ EXTERNAL HB_TRANSLATE
 EXTERNAL HB_CDPLIST
 EXTERNAL HB_STRTOUTF8
 EXTERNAL HB_UTF8TOSTR
+EXTERNAL HB_UTF8LEN
+EXTERNAL HB_UTF8LEFT
+EXTERNAL HB_UTF8RIGHT
+EXTERNAL HB_UTF8PEEK
+EXTERNAL HB_UTF8POKE
+EXTERNAL HB_UTF8STUFF
+EXTERNAL HB_UTF8SUBSTR
+EXTERNAL HB_UTF8STRTRAN
 #endif
 EXTERNAL HB_ISARRAY
 EXTERNAL HB_ISBLOCK