diff --git a/bibutils/bibcore.c b/bibutils/bibcore.c
--- a/bibutils/bibcore.c
+++ b/bibutils/bibcore.c
@@ -325,7 +325,6 @@
 		p       = ((r->all[reftype]).tags[i]).newstr;
 		extract_tag_value( &tag, &value, p );
 		n = fields_find( f, tag.data, level );
-fprintf(stderr,"%s: n=%d tag.data='%s' level=%d\n", __FUNCTION__, n, tag.data, level );
 		if ( n==-1 ) {
 			ok = fields_add( f, tag.data, value.data, level );
 			if ( !ok ) goto out;
diff --git a/hs-bibutils.cabal b/hs-bibutils.cabal
--- a/hs-bibutils.cabal
+++ b/hs-bibutils.cabal
@@ -1,5 +1,5 @@
 name:               hs-bibutils
-version:            4.17
+version:            4.17.1
 homepage:           http://gorgias.mine.nu/repos/hs-bibutils/
 
 synopsis:           Haskell bindings to bibutils, the bibliography