diff --git a/C4/Circulation.pm b/C4/Circulation.pm
index fb8d365484..d5ee99f32a 100644
--- a/C4/Circulation.pm
+++ b/C4/Circulation.pm
@@ -2174,6 +2174,9 @@ sub MarkIssueReturned {
         # Update the returndate
         $dbh->do( $query, undef, @bind );
 
+        # We just updated the returndate, so we need to refetch $issue
+        $issue->discard_changes;
+
         # Create the old_issues entry
         my $old_checkout = Koha::Old::Checkout->new($issue->unblessed)->store;