diff --git a/tools/inventory.pl b/tools/inventory.pl
index f3de234c54..8474d7d274 100755
--- a/tools/inventory.pl
+++ b/tools/inventory.pl
@@ -27,6 +27,7 @@ use C4::Items;
 use C4::Dates qw/format_date format_date_in_iso/;
 use C4::Koha;
 use C4::Branch; # GetBranches
+use C4::Circulation;
 
 my $input = new CGI;
 my $minlocation=$input->param('minlocation') || '';