diff --git a/README.rst b/README.rst
index d0633d52..5d56f47f 100644
--- a/README.rst
+++ b/README.rst
@@ -22,7 +22,7 @@ Run the application
 
 .. code-block:: console
 
-    pan3d-viewer --dataset_path /path/to/directory.zarr
+    pan3d-viewer --dataset=/path/to/directory.zarr
 
 
 Requires
diff --git a/pan3d/__main__.py b/pan3d/__main__.py
index 60056835..0cea0875 100644
--- a/pan3d/__main__.py
+++ b/pan3d/__main__.py
@@ -9,13 +9,13 @@ def main():
     )
 
     parser.add_argument("-C", "--config_path")
-    parser.add_argument("-D", "--dataset_path")
+    parser.add_argument("-D", "--dataset")
     parser.add_argument("-P", "--pangeo", action=BooleanOptionalAction)
     parser.add_argument("-S", "--server", action=BooleanOptionalAction)
 
     args = parser.parse_args()
 
-    builder = DatasetBuilder(dataset_path=args.dataset_path, pangeo=args.pangeo)
+    builder = DatasetBuilder(dataset_path=args.dataset, pangeo=args.pangeo)
     if args.config_path:
         builder.import_config(args.config_path)
     builder.viewer.server.start()