diff --git a/bob/bio/base/test/test_commands.py b/bob/bio/base/test/test_commands.py
index acc99ff555d0f81f596d9a7f0b7d3b531e5e58b0..c5e17bc5c1a56bd9c83f2aa5367e904e86d652c6 100644
--- a/bob/bio/base/test/test_commands.py
+++ b/bob/bio/base/test/test_commands.py
@@ -252,7 +252,7 @@ def test_hist():
     with runner.isolated_filesystem():
         result = runner.invoke(commands.hist, ['--criterion', 'eer', '--output',
                                                'HISTO.pdf', '-b', '30', '-e',
-                                               '-lg', 'A,B', dev1, test1, dev2,
+                                               '-ts', 'A,B', dev1, test1, dev2,
                                                test2])
         if result.output:
             click.echo(result.output)