diff --git a/C4/Breeding.pm b/C4/Breeding.pm
index 69adcf42e0..f7ad472da6 100644
--- a/C4/Breeding.pm
+++ b/C4/Breeding.pm
@@ -110,7 +110,7 @@ sub ImportBreeding {
             # if isbn found and biblio does not exist, add it. If isbn found and biblio exists, 
             # overwrite or ignore depending on user choice
             # drop every "special" char : spaces, - ...
-            $oldbiblio->{isbn} = C4::Koha::_isbn_cleanup($oldbiblio->{isbn}); # FIXME C4::Koha::_isbn_cleanup should be public
+            $oldbiblio->{isbn} = C4::Koha::GetNormalizedISBN($oldbiblio->{isbn});
             # search if biblio exists
             my $biblioitemnumber;
             if ($oldbiblio->{isbn}) {
@@ -175,6 +175,9 @@ sub BreedingSearch {
     my $sth;
     my @results;
 
+    # normalise ISBN like at import
+    $isbn = C4::Koha::GetNormalizedISBN($isbn);
+
     $query = "SELECT import_record_id, file_name, isbn, title, author
               FROM  import_biblios 
               JOIN import_records USING (import_record_id)
diff --git a/C4/ImportBatch.pm b/C4/ImportBatch.pm
index c045878227..9439986fda 100644
--- a/C4/ImportBatch.pm
+++ b/C4/ImportBatch.pm
@@ -1437,7 +1437,7 @@ sub _add_biblio_fields {
     my ($title, $author, $isbn, $issn) = _parse_biblio_fields($marc_record);
     my $dbh = C4::Context->dbh;
     # FIXME no controlnumber, originalsource
-    $isbn = C4::Koha::_isbn_cleanup($isbn); # FIXME C4::Koha::_isbn_cleanup should be made public
+    $isbn = C4::Koha::GetNormalizedISBN($isbn);
     my $sth = $dbh->prepare("INSERT INTO import_biblios (import_record_id, title, author, isbn, issn) VALUES (?, ?, ?, ?, ?)");
     $sth->execute($import_record_id, $title, $author, $isbn, $issn);
     $sth->finish();
diff --git a/cataloguing/addbooks.pl b/cataloguing/addbooks.pl
index 35cfa2cf70..0cfd7e89de 100755
--- a/cataloguing/addbooks.pl
+++ b/cataloguing/addbooks.pl
@@ -116,7 +116,9 @@ if ($query) {
 #check is on isbn legnth 13 for new isbn and 10 for old isbn
     my ( $title, $isbn );
     if ($query=~/\d/) {
-        my $querylength = length $query;
+        my $clean_query = $query;
+        $clean_query =~ s/-//g; # remove hyphens
+        my $querylength = length $clean_query;
         if ( $querylength == 13 || $querylength == 10 ) {
             $isbn = $query;
         }