diff --git a/src/init.cpp b/src/init.cpp
index 5e48b1f1da..0deffd54f1 100644
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -650,6 +650,7 @@ void SetupServerArgs(ArgsManager& argsman, bool can_listen_ipc)
 
 
     argsman.AddArg("-blockmaxweight=<n>", strprintf("Set maximum BIP141 block weight (default: %d).", MAX_BLOCK_WEIGHT), ArgsManager::ALLOW_ANY, OptionsCategory::BLOCK_CREATION);
+    argsman.AddArg("-maxcoinbaseweight=<n>", strprintf("Set the block maximum reserved coinbase transaction weight (default: %d).", node::BlockCreateOptions{}.coinbase_max_additional_weight), ArgsManager::ALLOW_ANY, OptionsCategory::BLOCK_CREATION);
     argsman.AddArg("-blockmintxfee=<amt>", strprintf("Set lowest fee rate (in %s/kvB) for transactions to be included in block creation. (default: %s)", CURRENCY_UNIT, FormatMoney(DEFAULT_BLOCK_MIN_TX_FEE)), ArgsManager::ALLOW_ANY, OptionsCategory::BLOCK_CREATION);
     argsman.AddArg("-blockversion=<n>", "Override block version to test forking scenarios", ArgsManager::ALLOW_ANY | ArgsManager::DEBUG_ONLY, OptionsCategory::BLOCK_CREATION);
 
@@ -1024,6 +1025,13 @@ bool AppInitParameterInteraction(const ArgsManager& args)
         }
     }
 
+    if (args.IsArgSet("-maxcoinbaseweight")) {
+        const auto max_coinbase_weight = args.GetIntArg("-maxcoinbaseweight", node::BlockCreateOptions{}.coinbase_max_additional_weight);
+        if (max_coinbase_weight > MAX_BLOCK_WEIGHT) {
+            return InitError(strprintf(_("Specified -maxcoinbaseweight (%d) exceeds consensus maximum block weight (%d)"), max_coinbase_weight, MAX_BLOCK_WEIGHT));
+        }
+    }
+
     nBytesPerSigOp = args.GetIntArg("-bytespersigop", nBytesPerSigOp);
 
     if (!g_wallet_init_interface.ParameterInteraction()) return false;
diff --git a/src/node/miner.cpp b/src/node/miner.cpp
index 37dfd07d9a..667d1fd945 100644
--- a/src/node/miner.cpp
+++ b/src/node/miner.cpp
@@ -90,7 +90,9 @@ void ApplyArgsManOptions(const ArgsManager& args, BlockAssembler::Options& optio
     if (const auto blockmintxfee{args.GetArg("-blockmintxfee")}) {
         if (const auto parsed{ParseMoney(*blockmintxfee)}) options.blockMinFeeRate = CFeeRate{*parsed};
     }
+
     options.print_modified_fee = args.GetBoolArg("-printpriority", options.print_modified_fee);
+    options.coinbase_max_additional_weight = args.GetIntArg("-maxcoinbaseweight", options.coinbase_max_additional_weight);
 }
 
 void BlockAssembler::resetBlock()
diff --git a/test/functional/mining_basic.py b/test/functional/mining_basic.py
index f160b6e180..60c7cd791e 100755
--- a/test/functional/mining_basic.py
+++ b/test/functional/mining_basic.py
@@ -272,6 +272,21 @@ class MiningTest(BitcoinTestFramework):
             expected_weight=MAX_BLOCK_WEIGHT - DEFAULT_COINBASE_TX_WEIGHT,
         )
 
+        self.log.info("Test -maxcoinbaseweight startup option.")
+        # Lowering the -maxcoinbaseweight by 4000 will allow for two more transactions.
+        self.restart_node(0, extra_args=[f"-datacarriersize={LARGE_VSIZE}", "-maxcoinbaseweight=4000"])
+        self.verify_block_template(
+            expected_tx_count=12,
+            expected_weight=MAX_BLOCK_WEIGHT - 4000,
+        )
+
+        self.log.info("Test that node will fail to start when user provide consensus invalid -maxcoinbaseweight")
+        self.stop_node(0)
+        self.nodes[0].assert_start_raises_init_error(
+            extra_args=[f"-maxcoinbaseweight={MAX_BLOCK_WEIGHT + 1}"],
+            expected_msg=f"Error: Specified -maxcoinbaseweight ({MAX_BLOCK_WEIGHT + 1}) exceeds consensus maximum block weight ({MAX_BLOCK_WEIGHT})",
+        )
+
         self.log.info("Test that node will fail to start when user provide consensus invalid -blockmaxweight")
         self.stop_node(0)
         self.nodes[0].assert_start_raises_init_error(