diff --git a/src/test/ssl/t/002_scram.pl b/src/test/ssl/t/002_scram.pl
index b460a7fa8a..147f51783d 100644
--- a/src/test/ssl/t/002_scram.pl
+++ b/src/test/ssl/t/002_scram.pl
@@ -39,7 +39,7 @@ configure_test_server_for_ssl($node, $SERVERHOSTADDR, "scram-sha-256",
 switch_server_cert($node, 'server-cn-only');
 $ENV{PGPASSWORD} = "pass";
 $common_connstr =
-  "user=ssltestuser dbname=trustdb sslmode=require hostaddr=$SERVERHOSTADDR";
+  "user=ssltestuser dbname=trustdb sslmode=require sslrootcert=ssl/root+server_ca.crt hostaddr=$SERVERHOSTADDR";
 
 # Default settings
 test_connect_ok($common_connstr, '',