diff --git a/crates/sequencing/papyrus_consensus/run_consensus.py b/crates/sequencing/papyrus_consensus/run_consensus.py
index d2cf6ed58e..cfe496d62c 100644
--- a/crates/sequencing/papyrus_consensus/run_consensus.py
+++ b/crates/sequencing/papyrus_consensus/run_consensus.py
@@ -139,16 +139,22 @@ def build_node(data_dir, logs_dir, i, papryus_args):
         f"--rpc.server_address 127.0.0.1:{find_free_port()} "
         f"--monitoring_gateway.server_address 127.0.0.1:{monitoring_gateway_server_port} "
         f"--consensus.test.#is_none false "
-        f"--consensus.timeouts.proposal_timeout {papryus_args.proposal_timeout} "
-        f"--consensus.timeouts.prevote_timeout {papryus_args.prevote_timeout} "
-        f"--consensus.timeouts.precommit_timeout {papryus_args.precommit_timeout} "
-        f"--consensus.test.cache_size {papryus_args.cache_size} "
-        f"--consensus.test.random_seed {papryus_args.random_seed} "
-        f"--consensus.test.drop_probability {papryus_args.drop_probability} "
-        f"--consensus.test.invalid_probability {papryus_args.invalid_probability} "
         f"--collect_metrics true "
     )
 
+    conditional_params = {
+        "timeouts.proposal_timeout": papryus_args.proposal_timeout,
+        "timeouts.prevote_timeout": papryus_args.prevote_timeout,
+        "timeouts.precommit_timeout": papryus_args.precommit_timeout,
+        "test.cache_size": papryus_args.cache_size,
+        "test.random_seed": papryus_args.random_seed,
+        "test.drop_probability": papryus_args.drop_probability,
+        "test.invalid_probability": papryus_args.invalid_probability,
+    }
+    for key, value in conditional_params.items():
+        if value is not None:
+            cmd += f"--consensus.{key} {value} "
+
     if is_bootstrap:
         cmd += (
             f"--network.secret_key {SECRET_KEY} "
@@ -278,49 +284,49 @@ def main(papyrus_args, run_consensus_args):
         "--proposal_timeout",
         type=float,
         required=False,
-        default=3,
+        default=None,
         help="The timeout (seconds) for a proposal.",
     )
     parser.add_argument(
         "--prevote_timeout",
         type=float,
         required=False,
-        default=1,
+        default=None,
         help="The timeout (seconds) for a prevote.",
     )
     parser.add_argument(
         "--precommit_timeout",
         type=float,
         required=False,
-        default=1,
+        default=None,
         help="The timeout (seconds) for a precommit.",
     )
     parser.add_argument(
         "--cache_size",
         type=int,
         required=False,
-        default=1000,
+        default=None,
         help="Cache size for the test simulation.",
     )
     parser.add_argument(
         "--random_seed",
         type=int,
         required=False,
-        default=0,
+        default=None,
         help="Random seed for test simulation.",
     )
     parser.add_argument(
         "--drop_probability",
         type=float,
         required=False,
-        default=0,
+        default=None,
         help="Probability of dropping a message for test simulation.",
     )
     parser.add_argument(
         "--invalid_probability",
         type=float,
         required=False,
-        default=0,
+        default=None,
         help="Probability of sending an invalid message for test simulation.",
     )
     args = parser.parse_args()