diff --git a/TestTestNet/mining-node/install.sh b/TestTestNet/mining-node/install.sh
index 5058350..e0e6a8d 100644
--- a/TestTestNet/mining-node/install.sh
+++ b/TestTestNet/mining-node/install.sh
@@ -89,6 +89,7 @@ unlock = ["${MINING_ADDRESS}"]
 [mining]
 force_sealing = true
 engine_signer = "${MINING_ADDRESS}"
+tx_gas_limit = "${TX_GAS_LIMIT}"
 reseal_on_txs = "none"
 EOF
     echo "${MINING_KEYPASS}" > "${NODE_PWD}"