diff --git a/testing/dav_test b/testing/dav_test
index c1e3d1e1..65b710b6 100755
--- a/testing/dav_test
+++ b/testing/dav_test
@@ -4,6 +4,8 @@
 #
 
 use strict;
+use warnings;
+use open qw( :encoding(UTF-8) :std );
 
 use DBI;
 use Getopt::Long qw(:config permute);  # allow mixed args.