diff --git a/src/main/kotlin/io/emeraldpay/dshackle/upstream/calls/DefaultEthereumMethods.kt b/src/main/kotlin/io/emeraldpay/dshackle/upstream/calls/DefaultEthereumMethods.kt
index 86f37a54..ae910933 100644
--- a/src/main/kotlin/io/emeraldpay/dshackle/upstream/calls/DefaultEthereumMethods.kt
+++ b/src/main/kotlin/io/emeraldpay/dshackle/upstream/calls/DefaultEthereumMethods.kt
@@ -728,6 +728,10 @@ class DefaultEthereumMethods(
                 "buildTransaction",
             )
 
+            Chain.MONAD__MAINNET, Chain.MONAD__TESTNET -> listOf(
+                "eth_sendRawTransactionSync",
+            )
+
             Chain.FILECOIN__MAINNET, Chain.FILECOIN__CALIBRATION_TESTNET -> filecoinMethods
 
             Chain.SEI__MAINNET, Chain.SEI__TESTNET, Chain.SEI__DEVNET -> seiMethods