diff --git a/cataloguing/additem.pl b/cataloguing/additem.pl
index 4630eec0a4..2c9871280c 100755
--- a/cataloguing/additem.pl
+++ b/cataloguing/additem.pl
@@ -45,7 +45,7 @@ use Koha::Result::Boolean;
 
 use Encode qw( encode_utf8 );
 use List::MoreUtils qw( any uniq );
-use List::Util qw( first );
+use List::Util qw( first min );
 use MARC::File::XML;
 use MIME::Base64 qw( decode_base64url encode_base64url );
 use Storable qw( freeze thaw );
@@ -238,7 +238,7 @@ if ($op eq "additem") {
     my $add_duplicate_submit       = $input->param('add_duplicate_submit');
     my $add_multiple_copies_submit = $input->param('add_multiple_copies_submit');
     my $save_as_template_submit    = $input->param('save_as_template_submit');
-    my $number_of_copies           = $input->param('number_of_copies');
+    my $number_of_copies           = min( scalar $input->param('number_of_copies'), 1000 ); # TODO refine hardcoded maximum?
 
     my @columns = Koha::Items->columns;
     my $item = Koha::Item->new;
diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/cataloguing/additem.tt b/koha-tmpl/intranet-tmpl/prog/en/modules/cataloguing/additem.tt
index 2401c4f3fb..4c349b37db 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/cataloguing/additem.tt
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/cataloguing/additem.tt
@@ -286,7 +286,7 @@
         <label for="number_of_copies">Number of copies of this item to add: </label>
         <input type="text" id="number_of_copies" name="number_of_copies" value="" size="2" />
         <input type="submit" id="add_multiple_copies_submit" name="add_multiple_copies_submit" value="Add" onclick="javascript:return Check(this.form) && CheckMultipleAdd(this.form.number_of_copies.value);" /> <a href="#" id="cancel_add_multiple" class="cancel">Cancel</a>
-        <div class="hint"><p>The barcode you enter will be incremented for each additional item.</p></div>
+        <div class="hint"><p>Maximum currently set to 1000. The barcode you enter will be incremented for each additional item.</p></div>
     </fieldset>
 
     <span id="savetemplate">