diff --git a/bindings/python/scripts/idyntree-model-view-meshcat.py b/bindings/python/scripts/idyntree-model-view-meshcat.py
index b8aff2e2a5..3e3dc35184 100755
--- a/bindings/python/scripts/idyntree-model-view-meshcat.py
+++ b/bindings/python/scripts/idyntree-model-view-meshcat.py
@@ -21,12 +21,13 @@ def main():
         description="Display the model in the meshcat visualizer."
     )
     parser.add_argument("--model", "-m", type=str, required=True, help="Model path.")
+    parser.add_argument("--alpha", "-a", type=float, required=False, help="Alpha channel of the model.")
 
     args = parser.parse_args()
 
     # Load the visualizer
     viz = MeshcatVisualizer()
-    viz.load_model_from_file(args.model)
+    viz.load_model_from_file(args.model, color=args.alpha)
     viz.open()
 
     run = True