diff --git a/packages/evm/src/interpreter.ts b/packages/evm/src/interpreter.ts
index 30266d8b62..67226fca4f 100644
--- a/packages/evm/src/interpreter.ts
+++ b/packages/evm/src/interpreter.ts
@@ -790,7 +790,7 @@ export class Interpreter {
   getBlockCoinbase(): bigint {
     let coinbase: Address
     if (this.common.consensusAlgorithm() === ConsensusAlgorithm.Clique) {
-      coinbase = this._evm['_optsCached'].cliqueSigner!(this._env.block.header as any)
+      coinbase = this._evm['_optsCached'].cliqueSigner!(this._env.block.header)
     } else {
       coinbase = this._env.block.header.coinbase
     }
diff --git a/packages/evm/src/types.ts b/packages/evm/src/types.ts
index 9f899c641f..35b9e7f423 100644
--- a/packages/evm/src/types.ts
+++ b/packages/evm/src/types.ts
@@ -350,7 +350,7 @@ export interface EVMOpts {
   /**
    * Must be present if consensus type is clique/poa, else error will be thrown
    */
-  cliqueSigner?: (header: any) => Address
+  cliqueSigner?: (header: Block['header']) => Address
 }
 
 /**