diff --git a/packages/client/src/rpc/error-code.ts b/packages/client/src/rpc/error-code.ts
index 9698444c91..9019f2060a 100644
--- a/packages/client/src/rpc/error-code.ts
+++ b/packages/client/src/rpc/error-code.ts
@@ -8,6 +8,7 @@ export const INTERNAL_ERROR = -32603
 export const TOO_LARGE_REQUEST = -38004
 export const UNSUPPORTED_FORK = -38005
 export const UNKNOWN_PAYLOAD = -32001
+export const INVALID_FORKCHOICE_STATE = -38002
 export const INVALID_HEX_STRING = -32000
 
 export const validEngineCodes = [
diff --git a/packages/client/src/service/skeleton.ts b/packages/client/src/service/skeleton.ts
index 4f0da81a90..5025002c3a 100644
--- a/packages/client/src/service/skeleton.ts
+++ b/packages/client/src/service/skeleton.ts
@@ -15,6 +15,7 @@ import {
   utf8ToBytes,
 } from '@ethereumjs/util'
 
+import { INVALID_FORKCHOICE_STATE } from '../rpc/error-code.js'
 import { short, timeDuration } from '../util/index.js'
 import { DBKey, MetaDBManager } from '../util/metaDBManager.js'
 
@@ -749,7 +750,7 @@ export class Skeleton extends MetaDBManager {
       if (this.status.linked || shouldBeSafeNumber >= subchain0.tail) {
         if (safeBlock === undefined) {
           throw {
-            code: INVALID_PARAMS,
+            code: INVALID_FORKCHOICE_STATE,
             message: `safe block not available in canonical chain`,
           }
         } else {
@@ -759,7 +760,7 @@ export class Skeleton extends MetaDBManager {
             !equalsBytes(safeBlock.hash(), canonicalBlock.hash())
           ) {
             throw {
-              code: INVALID_PARAMS,
+              code: INVALID_FORKCHOICE_STATE,
               message: `safe block not canonical in chain`,
             }
           }
@@ -769,7 +770,7 @@ export class Skeleton extends MetaDBManager {
       if (this.status.linked || shouldBeFinalizedNumber >= subchain0.tail) {
         if (finalizedBlock === undefined) {
           throw {
-            code: INVALID_PARAMS,
+            code: INVALID_FORKCHOICE_STATE,
             message: `finalized block not available in canonical chain`,
           }
         } else {
@@ -779,7 +780,7 @@ export class Skeleton extends MetaDBManager {
             !equalsBytes(finalizedBlock.hash(), canonicalBlock.hash())
           ) {
             throw {
-              code: INVALID_PARAMS,
+              code: INVALID_FORKCHOICE_STATE,
               message: `finalized block not canonical in chain`,
             }
           }
diff --git a/packages/client/test/rpc/engine/forkchoiceUpdatedV1.spec.ts b/packages/client/test/rpc/engine/forkchoiceUpdatedV1.spec.ts
index e02bc6d7f6..3ea24e455b 100644
--- a/packages/client/test/rpc/engine/forkchoiceUpdatedV1.spec.ts
+++ b/packages/client/test/rpc/engine/forkchoiceUpdatedV1.spec.ts
@@ -3,7 +3,7 @@ import { Common, Hardfork, Mainnet } from '@ethereumjs/common'
 import { bytesToHex, randomBytes } from '@ethereumjs/util'
 import { assert, describe, it, vi } from 'vitest'
 
-import { INVALID_PARAMS } from '../../../src/rpc/error-code.js'
+import { INVALID_FORKCHOICE_STATE, INVALID_PARAMS } from '../../../src/rpc/error-code.js'
 import { blockToExecutionPayload } from '../../../src/rpc/modules/index.js'
 import { beaconData } from '../../testdata/blocks/beacon.js'
 import { postMergeData } from '../../testdata/geth-genesis/post-merge.js'
@@ -183,7 +183,7 @@ describe(method, () => {
         finalizedBlockHash: '0x3b8fb240d288781d4aac94d3fd16809ee413bc99294a085798a589dae51ddd4b',
       },
     ])
-    assert.equal(res.error.code, INVALID_PARAMS)
+    assert.equal(res.error.code, INVALID_FORKCHOICE_STATE)
     assert.ok(res.error.message.includes('finalized block not available in canonical chain'))
   })
 
@@ -196,7 +196,7 @@ describe(method, () => {
         safeBlockHash: '0x3b8fb240d288781d4aac94d3fd16809ee413bc99294a085798a589dae51ddd4b',
       },
     ])
-    assert.equal(res.error.code, INVALID_PARAMS)
+    assert.equal(res.error.code, INVALID_FORKCHOICE_STATE)
     assert.ok(res.error.message.includes('safe block not available'))
   })
 
@@ -277,7 +277,7 @@ describe(method, () => {
       },
     ])
 
-    assert.equal(res.error.code, -32602)
+    assert.equal(res.error.code, INVALID_FORKCHOICE_STATE)
     assert.ok(res.error.message.includes('safe'))
     assert.ok(res.error.message.includes('canonical'))
   })
@@ -317,7 +317,7 @@ describe(method, () => {
       },
     ])
 
-    assert.equal(res.error.code, -32602)
+    assert.equal(res.error.code, INVALID_FORKCHOICE_STATE)
     assert.ok(res.error.message.includes('finalized'))
     assert.ok(res.error.message.includes('canonical'))
   })
diff --git a/packages/vm/benchmarks/run.ts b/packages/vm/benchmarks/run.ts
index 3ed25d1a8a..e97e3af814 100644
--- a/packages/vm/benchmarks/run.ts
+++ b/packages/vm/benchmarks/run.ts
@@ -19,10 +19,10 @@ async function main() {
   // Input validation
   if (args.length < 4) {
     console.log(
-      'Please provide at least one benchmark name when running a benchmark or doing profiling.'
+      'Please provide at least one benchmark name when running a benchmark or doing profiling.',
     )
     console.log(
-      'Usage: npm run benchmarks|profiling -- BENCHMARK_NAME[:NUM_SAMPLES][,BENCHMARK_NAME[:NUM_SAMPLES]]'
+      'Usage: npm run benchmarks|profiling -- BENCHMARK_NAME[:NUM_SAMPLES][,BENCHMARK_NAME[:NUM_SAMPLES]]',
     )
     console.log(`Benchmarks available: ${Object.keys(BENCHMARKS).join(', ')}`)
     return process.exit(1)