diff --git a/crates/ethereum/evm/src/lib.rs b/crates/ethereum/evm/src/lib.rs
index b854b78ac012..8f9b2225707f 100644
--- a/crates/ethereum/evm/src/lib.rs
+++ b/crates/ethereum/evm/src/lib.rs
@@ -48,6 +48,8 @@ impl EthEvmConfig {
 }
 
 impl ConfigureEvmEnv for EthEvmConfig {
+    type Header = Header;
+
     fn fill_cfg_env(
         &self,
         cfg_env: &mut CfgEnvWithHandlerCfg,
diff --git a/crates/evm/src/lib.rs b/crates/evm/src/lib.rs
index 04f476143ed3..067f1e35ba17 100644
--- a/crates/evm/src/lib.rs
+++ b/crates/evm/src/lib.rs
@@ -108,6 +108,9 @@ pub trait ConfigureEvm: ConfigureEvmEnv {
 /// Default trait method  implementation is done w.r.t. L1.
 #[auto_impl::auto_impl(&, Arc)]
 pub trait ConfigureEvmEnv: Send + Sync + Unpin + Clone + 'static {
+    /// The header type used by the EVM.
+    type Header;
+
     /// Returns a [`TxEnv`] from a [`TransactionSignedEcRecovered`].
     fn tx_env(&self, transaction: &TransactionSignedEcRecovered) -> TxEnv {
         let mut tx_env = TxEnv::default();
diff --git a/crates/optimism/evm/src/lib.rs b/crates/optimism/evm/src/lib.rs
index 3867fe8dab4d..d650bd27dba9 100644
--- a/crates/optimism/evm/src/lib.rs
+++ b/crates/optimism/evm/src/lib.rs
@@ -50,6 +50,8 @@ impl OptimismEvmConfig {
 }
 
 impl ConfigureEvmEnv for OptimismEvmConfig {
+    type Header = Header;
+
     fn fill_tx_env(&self, tx_env: &mut TxEnv, transaction: &TransactionSigned, sender: Address) {
         transaction.fill_tx_env(tx_env, sender);
     }
diff --git a/examples/custom-evm/src/main.rs b/examples/custom-evm/src/main.rs
index 1ddc53d1e272..8f5840a145e2 100644
--- a/examples/custom-evm/src/main.rs
+++ b/examples/custom-evm/src/main.rs
@@ -87,6 +87,8 @@ impl MyEvmConfig {
 }
 
 impl ConfigureEvmEnv for MyEvmConfig {
+    type Header = Header;
+
     fn fill_cfg_env(
         &self,
         cfg_env: &mut CfgEnvWithHandlerCfg,
diff --git a/examples/stateful-precompile/src/main.rs b/examples/stateful-precompile/src/main.rs
index ae5b9feab97e..0ecb7f57dc00 100644
--- a/examples/stateful-precompile/src/main.rs
+++ b/examples/stateful-precompile/src/main.rs
@@ -144,6 +144,8 @@ impl StatefulPrecompileMut for WrappedPrecompile {
 }
 
 impl ConfigureEvmEnv for MyEvmConfig {
+    type Header = Header;
+
     fn fill_tx_env(&self, tx_env: &mut TxEnv, transaction: &TransactionSigned, sender: Address) {
         self.inner.fill_tx_env(tx_env, transaction, sender)
     }