diff --git a/bob/bio/base/script/commands.py b/bob/bio/base/script/commands.py
index 0e0508d6ed5754c79d16fce5f62e8ddb75dbe007..e4d4ce6bb04c5f4b7bdf5af21401a1ac23bfb99e 100644
--- a/bob/bio/base/script/commands.py
+++ b/bob/bio/base/script/commands.py
@@ -71,14 +71,14 @@ def metrics(ctx, scores, evaluation, **kargs):
 @common_options.scores_argument(nargs=-1)
 @common_options.title_option()
 @common_options.legends_option()
-@common_options.legend_loc_option(dflt=4)
+@common_options.legend_loc_option(dflt='lower-right')
 @common_options.no_legend_option()
 @common_options.sep_dev_eval_option()
 @common_options.output_plot_file_option(default_out='roc.pdf')
 @common_options.eval_option()
 @common_options.points_curve_option()
 @common_options.semilogx_option(True)
-@common_options.axes_val_option(dflt=[1e-4, 1, 1e-4, 1])
+@common_options.axes_val_option(dflt='1e-4,1,1e-4,1')
 @common_options.x_rotation_option()
 @common_options.lines_at_option()
 @common_options.x_label_option()
@@ -120,13 +120,13 @@ def roc(ctx, scores, evaluation, **kargs):
 @common_options.title_option()
 @common_options.output_plot_file_option(default_out='det.pdf')
 @common_options.legends_option()
-@common_options.legend_loc_option(dflt=1)
+@common_options.legend_loc_option(dflt='upper-right')
 @common_options.no_legend_option()
 @common_options.x_label_option()
 @common_options.y_label_option()
 @common_options.sep_dev_eval_option()
 @common_options.eval_option()
-@common_options.axes_val_option(dflt=[0.01, 95, 0.01, 95])
+@common_options.axes_val_option(dflt='0.01,95,0.01,95')
 @common_options.x_rotation_option(dflt=45)
 @common_options.points_curve_option()
 @common_options.const_layout_option()
@@ -166,7 +166,7 @@ def det(ctx, scores, evaluation, **kargs):
 @common_options.title_option()
 @common_options.output_plot_file_option(default_out='epc.pdf')
 @common_options.legends_option()
-@common_options.legend_loc_option(dflt=9)
+@common_options.legend_loc_option(dflt='upper-center')
 @common_options.no_legend_option()
 @common_options.points_curve_option()
 @common_options.const_layout_option()
diff --git a/bob/bio/base/test/test_commands.py b/bob/bio/base/test/test_commands.py
index 8f61ac542181cde06583a8b92bb3b9a4099c7dad..9d3dbb25ddef77942034eb32b4d5776276284021 100644
--- a/bob/bio/base/test/test_commands.py
+++ b/bob/bio/base/test/test_commands.py
@@ -104,7 +104,8 @@ def test_roc():
                                             'data/test-5col.txt')
     with runner.isolated_filesystem():
         result = runner.invoke(commands.roc, ['--split', '--output',
-                                              'test.pdf', '-S', '-lc', 9,
+                                              'test.pdf', '-S', '-lc',
+                                              'lower-left',
                                               dev1, test1, dev2, test2])
         if result.output:
             click.echo(result.output)