diff --git a/selftests/functional/test_replay.py b/selftests/functional/test_replay.py
index cf7cddadb28b40a355338f0b53f3b5ff0140f5b0..cd0714c3d2fef0e215cb4d475e60c97465cd7d29 100644
--- a/selftests/functional/test_replay.py
+++ b/selftests/functional/test_replay.py
@@ -45,7 +45,7 @@ class ReplayTests(unittest.TestCase):
 
     def test_run_replay_noid(self):
         cmd_line = ('./scripts/avocado run --replay %s'
-                    '--job-results-dir %s --replay-data-dir %s--sysinfo=off' %
+                    '--job-results-dir %s --replay-data-dir %s --sysinfo=off' %
                     ('foo', self.tmpdir, self.jobdir))
         expected_rc = exit_codes.AVOCADO_JOB_FAIL
         self.run_and_check(cmd_line, expected_rc)