diff --git a/src/test/ssl/t/001_ssltests.pl b/src/test/ssl/t/001_ssltests.pl
index b877327023..20ec7cb5fb 100644
--- a/src/test/ssl/t/001_ssltests.pl
+++ b/src/test/ssl/t/001_ssltests.pl
@@ -4,8 +4,9 @@
 use strict;
 use warnings FATAL => 'all';
 use Config qw ( %Config );
-use PostgreSQL::Test::Cluster;
 use PostgreSQL::Test::Utils;
+BEGIN { $PostgreSQL::Test::Utils::use_unix_sockets = 0; }
+use PostgreSQL::Test::Cluster;
 use Test::More;
 
 use FindBin;