diff --git a/python/example_robot_data/__main__.py b/python/example_robot_data/__main__.py
index f3f87796087cc21701de636819c02f28e682c8f5..1f066326a51d47c6da8d68c48e5d7ca1b20e0e10 100644
--- a/python/example_robot_data/__main__.py
+++ b/python/example_robot_data/__main__.py
@@ -6,7 +6,7 @@ ROBOTS = sorted(ROBOTS.keys())
 
 parser = ArgumentParser(description=load.__doc__)
 parser.add_argument('robot', nargs='?', default=ROBOTS[0], choices=ROBOTS)
-parser.add_argument('--no-display', action='store_false')
+parser.add_argument('--no-display', action='store_true')
 
 args = parser.parse_args()
 
diff --git a/python/example_robot_data/robots_loader.py b/python/example_robot_data/robots_loader.py
index 4d52f965aef530015b611249926e22ece710bbcb..61b537be9eebe911d26eec9bcbc6ded834ecfafa 100644
--- a/python/example_robot_data/robots_loader.py
+++ b/python/example_robot_data/robots_loader.py
@@ -264,7 +264,7 @@ ROBOTS = {
     }),
     'talos': (loadTalos, {}),
     'talos_box': (loadTalos, {
-        'box' : True
+        'box': True
     }),
     'talos_arm': (loadTalos, {
         'arm': True
@@ -277,7 +277,7 @@ ROBOTS = {
     }),
     'talos_full_box': (loadTalos, {
         'full': True,
-        'box' : True
+        'box': True
     }),
     'tiago': (loadTiago, {}),
     'tiago_no_hand': (loadTiago, {