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 ae910933..1476391a 100644
--- a/src/main/kotlin/io/emeraldpay/dshackle/upstream/calls/DefaultEthereumMethods.kt
+++ b/src/main/kotlin/io/emeraldpay/dshackle/upstream/calls/DefaultEthereumMethods.kt
@@ -234,6 +234,10 @@ class DefaultEthereumMethods(
         "eth_chainId",
     )
 
+    private val avalancheMethods = listOf(
+        "eth_baseFee",
+    )
+
     private val filecoinMethods = listOf(
         "Filecoin.ChainBlockstoreInfo",
         "Filecoin.ChainExport",
@@ -734,6 +738,8 @@ class DefaultEthereumMethods(
 
             Chain.FILECOIN__MAINNET, Chain.FILECOIN__CALIBRATION_TESTNET -> filecoinMethods
 
+            Chain.AVALANCHE__MAINNET, Chain.AVALANCHE__FUJI -> avalancheMethods
+
             Chain.SEI__MAINNET, Chain.SEI__TESTNET, Chain.SEI__DEVNET -> seiMethods
 
             Chain.CRONOS_ZKEVM__MAINNET, Chain.CRONOS_ZKEVM__TESTNET -> zxkSyncMethods + "zk_estimateFee"