diff --git a/msg/tools/generate_microRTPS_bridge.py b/msg/tools/generate_microRTPS_bridge.py
index 0ed05eca9f..140a83ed93 100644
--- a/msg/tools/generate_microRTPS_bridge.py
+++ b/msg/tools/generate_microRTPS_bridge.py
@@ -68,10 +68,10 @@ parser.add_argument("-r", "--receive", dest='receive', metavar='*.msg', type=str
 parser.add_argument("-a", "--agent", dest='agent', action="store_true", help="Flag for generate the agent, by default is true if -c is not specified")
 parser.add_argument("-c", "--client", dest='client', action="store_true", help="Flag for generate the client, by default is true if -a is not specified")
 parser.add_argument("-i", "--no-idl", dest='idl', action="store_false", help="Flag for generate idl files for each msg, by default is true if -i is not specified")
-parser.add_argument("-t", "--topic-msg-dir", dest='msgdir', type=str, nargs=1, help="Topics message dir, by default msg/", default="msg")
+parser.add_argument("-t", "--topic-msg-dir", dest='msgdir', type=str, help="Topics message dir, by default msg/", default="msg")
 parser.add_argument("-b", "--uorb-templates-dir", dest='uorb_templates', type=str, help="uORB templates dir, by default msg_dir/templates/uorb_microcdr", default=default_uorb_templates_dir)
 parser.add_argument("-q", "--urtps-templates-dir", dest='urtps_templates', type=str, help="uRTPS templates dir, by default msg_dir/templates/urtps", default=default_urtps_templates_dir)
-parser.add_argument("-p", "--package", dest='package', type=str, nargs=1, help="Msg package naming, by default px4", default=default_package_name)
+parser.add_argument("-p", "--package", dest='package', type=str, help="Msg package naming, by default px4", default=default_package_name)
 parser.add_argument("-o", "--agent-outdir", dest='agentdir', type=str, nargs=1, help="Agent output dir, by default src/modules/micrortps_bridge/micrortps_agent", default=default_agent_out)
 parser.add_argument("-u", "--client-outdir", dest='clientdir', type=str, nargs=1, help="Client output dir, by default src/modules/micrortps_bridge/micrortps_client", default=default_client_out)
 parser.add_argument("-f", "--fastrtpsgen-dir", dest='fastrtpsgen', type=str, nargs='?', help="fastrtpsgen installation dir, only needed if fastrtpsgen is not in PATH, by default empty", default="")
@@ -91,8 +91,8 @@ if args.send:
 if args.receive:
     msg_files_receive = [get_absolute_path(msg) for msg in args.receive]
 
-if args.package[0] != px_generate_uorb_topic_files.PACKAGE:
-    package = args.package[0]
+if args.package != px_generate_uorb_topic_files.PACKAGE:
+    package = args.package
 else:
     package = px_generate_uorb_topic_files.PACKAGE