diff --git a/selftests/functional/test_basic.py b/selftests/functional/test_basic.py
index 0c4281ef9aeb9e5602ce16b2bdc00dc9e6383f30..84a942a326b790a0e545788720d65c34449ef152 100644
--- a/selftests/functional/test_basic.py
+++ b/selftests/functional/test_basic.py
@@ -928,7 +928,8 @@ class PluginsTest(AbsPluginsTest, unittest.TestCase):
         """
         def run_config(config_path):
             cmd = ('./scripts/avocado --config %s run passtest.py --archive '
-                   '--job-results-dir %s') % (config_path, self.base_outputdir)
+                   '--job-results-dir %s --sysinfo=off'
+                   % (config_path, self.base_outputdir))
             result = process.run(cmd, ignore_status=True)
             expected_rc = exit_codes.AVOCADO_ALL_OK
             self.assertEqual(result.exit_status, expected_rc,
diff --git a/selftests/functional/test_output.py b/selftests/functional/test_output.py
index a8fe0b1d60b2574186baabbe9a9134c581b86ff5..ee24dc2ae94e2e4b34d2f7aeccfa37f50da704c9 100644
--- a/selftests/functional/test_output.py
+++ b/selftests/functional/test_output.py
@@ -26,7 +26,7 @@ basedir = os.path.abspath(basedir)
 PERL_TAP_PARSER_SNIPPET = """#!/bin/env perl
 use TAP::Parser;
 
-my $parser = TAP::Parser->new( { exec => ['./scripts/avocado', 'run', 'passtest.py', 'errortest.py', 'warntest.py', '--tap', '-'] } );
+my $parser = TAP::Parser->new( { exec => ['./scripts/avocado', 'run', 'passtest.py', 'errortest.py', 'warntest.py', '--tap', '-', '--sysinfo', 'off', '--job-results-dir', '%s'] } );
 
 while ( my $result = $parser->next ) {
         $result->is_unknown && die "Unknown line \\"" . $result->as_string . "\\" in the TAP output!\n";
@@ -421,7 +421,8 @@ class OutputPluginTest(unittest.TestCase):
                      "Uncapable of using Perl TAP::Parser library")
     def test_tap_parser(self):
         perl_script = script.TemporaryScript("tap_parser.pl",
-                                             PERL_TAP_PARSER_SNIPPET)
+                                             PERL_TAP_PARSER_SNIPPET
+                                             % self.tmpdir)
         perl_script.save()
         os.chdir(basedir)
         process.run("perl %s" % perl_script)