diff --git a/contrib/basebackup_to_shell/t/001_basic.pl b/contrib/basebackup_to_shell/t/001_basic.pl
index 57534b62c85..350d42079a7 100644
--- a/contrib/basebackup_to_shell/t/001_basic.pl
+++ b/contrib/basebackup_to_shell/t/001_basic.pl
@@ -17,7 +17,12 @@ if (!defined $gzip || $gzip eq '')
 }
 
 my $node = PostgreSQL::Test::Cluster->new('primary');
-$node->init('allows_streaming' => 1);
+
+# Make sure pg_hba.conf is set up to allow connections from backupuser.
+# This is only needed on Windows machines that don't use UNIX sockets.
+$node->init('allows_streaming' => 1,
+			'auth_extra' => [ '--create-role', 'backupuser' ]);
+
 $node->append_conf('postgresql.conf',
 				   "shared_preload_libraries = 'basebackup_to_shell'");
 $node->start;