diff --git a/bob/measure/script/commands.py b/bob/measure/script/commands.py
index 359430a6ef8290be53a778efdbfbb91d5b1c2530..4d7550ef43c2cd27e512e9e02f49e8c511a1d599 100644
--- a/bob/measure/script/commands.py
+++ b/bob/measure/script/commands.py
@@ -221,7 +221,7 @@ def hist(ctx, scores, evaluation, **kwargs):
 @common_options.lines_at_option()
 @common_options.points_curve_option()
 @common_options.const_layout_option()
-@common_options.figsize_option()
+@common_options.figsize_option(dflt=None)
 @common_options.style_option()
 @common_options.linestyles_option()
 @verbosity_option()