diff --git a/harbour/ChangeLog b/harbour/ChangeLog
index 71be0a9f3c..65688a77df 100644
--- a/harbour/ChangeLog
+++ b/harbour/ChangeLog
@@ -65,6 +65,7 @@
   * source/rtl/Makefile
   * source/rtl/dbdelim.prg
   + source/rtl/dbsdf.prg
+  * source/rtl/dummy.prg
   * tests/Makefile
   + tests/sdf_test.prg
     + Added __dbSDF() with support for COPY TO SDF.
diff --git a/harbour/source/rtl/dummy.prg b/harbour/source/rtl/dummy.prg
index 597d06d6c4..ae4aef4a48 100644
--- a/harbour/source/rtl/dummy.prg
+++ b/harbour/source/rtl/dummy.prg
@@ -57,7 +57,7 @@ FUNCTION MPosToLC()        ; RETURN 0
 //FUNCTION __dbCopy()        ; RETURN NIL
 //FUNCTION __dbDelim()       ; RETURN NIL
 FUNCTION __dbJoin()        ; RETURN NIL
-FUNCTION __dbSDF()         ; RETURN NIL
+//FUNCTION __dbSDF()         ; RETURN NIL
 FUNCTION __dbTotal()       ; RETURN NIL
 
 /* NOTE: Internal functions */