diff --git a/core/chains/evm/config/toml/defaults/Fantom_Mainnet.toml b/core/chains/evm/config/toml/defaults/Fantom_Mainnet.toml
index 5d2273a36ca..ce01fa95e48 100644
--- a/core/chains/evm/config/toml/defaults/Fantom_Mainnet.toml
+++ b/core/chains/evm/config/toml/defaults/Fantom_Mainnet.toml
@@ -10,7 +10,7 @@ RPCBlockQueryDelay = 2
 Enabled = true
 
 [GasEstimator]
-EIP1559DynamicFees = true
+EIP1559DynamicFees = false
 # Fantom network has been slow to include txs at times when using the BlockHistory estimator, and the recommendation is to use SuggestedPrice mode.
 Mode = 'BlockHistory'