diff --git a/src/executor/utils.ts b/src/executor/utils.ts
index 352a1fcc..9c6235d4 100644
--- a/src/executor/utils.ts
+++ b/src/executor/utils.ts
@@ -16,6 +16,7 @@ import {
 } from "@alto/types"
 import type { Logger } from "@alto/utils"
 import {
+    getRevertErrorData,
     isVersion06,
     parseViemError,
     toPackedUserOperation,
@@ -207,6 +208,7 @@ export async function filterOpsAndEstimateGas(
         } catch (err: unknown) {
             logger.error({ err }, "error estimating gas")
             const e = parseViemError(err)
+
             if (e instanceof ContractFunctionRevertedError) {
                 const failedOpError = failedOpErrorSchema.safeParse(e.data)
                 const failedOpWithRevertError =
@@ -266,8 +268,11 @@ export async function filterOpsAndEstimateGas(
                         resubmitAllOps: false
                     }
                 }
-            } else if (e instanceof EstimateGasExecutionError) {
-                if (e.cause instanceof FeeCapTooLowError) {
+            } else if (
+                e instanceof EstimateGasExecutionError ||
+                err instanceof EstimateGasExecutionError
+            ) {
+                if (e?.cause instanceof FeeCapTooLowError) {
                     logger.info(
                         { error: e.shortMessage },
                         "error estimating gas due to max fee < basefee"
@@ -280,7 +285,13 @@ export async function filterOpsAndEstimateGas(
                 }
 
                 try {
-                    const errorHexData = e.details.split("Reverted ")[1] as Hex
+                    let errorHexData: Hex = "0x"
+
+                    if (err instanceof EstimateGasExecutionError) {
+                        errorHexData = getRevertErrorData(err) as Hex
+                    } else {
+                        errorHexData = e?.details.split("Reverted ")[1] as Hex
+                    }
                     const errorResult = decodeErrorResult({
                         abi: isUserOpV06 ? EntryPointV06Abi : EntryPointV07Abi,
                         data: errorHexData
@@ -316,7 +327,7 @@ export async function filterOpsAndEstimateGas(
                     )[Number(errorResult.args[0])]
 
                     failingOp.reason = errorResult.args[1]
-                } catch (_e: unknown) {
+                } catch (e: unknown) {
                     logger.error(
                         { error: JSON.stringify(err) },
                         "failed to parse error result"
diff --git a/src/utils/helpers.ts b/src/utils/helpers.ts
index e55d1ff0..d71d3794 100644
--- a/src/utils/helpers.ts
+++ b/src/utils/helpers.ts
@@ -1,6 +1,18 @@
-import { type Address, getAddress } from "viem"
+import {
+    type Address,
+    getAddress,
+    BaseError,
+    type RawContractError
+} from "viem"
 
 /// Ensure proper equality by converting both addresses into their checksum type
 export const areAddressesEqual = (a: Address, b: Address) => {
     return getAddress(a) === getAddress(b)
 }
+
+export function getRevertErrorData(err: unknown) {
+    // biome-ignore lint/style/useBlockStatements:
+    if (!(err instanceof BaseError)) return undefined
+    const error = err.walk() as RawContractError
+    return typeof error?.data === "object" ? error.data?.data : error.data
+}
diff --git a/test/kinto-e2e/src/index.ts b/test/kinto-e2e/src/index.ts
index 3b06d7d7..7af23377 100644
--- a/test/kinto-e2e/src/index.ts
+++ b/test/kinto-e2e/src/index.ts
@@ -1,5 +1,4 @@
 import {
-    type Address,
     type Hex,
     createPublicClient,
     decodeEventLog,
@@ -7,9 +6,10 @@ import {
     http,
     parseAbi,
     parseAbiItem,
-    getAddress
+    slice,
+    hexToNumber
 } from "viem"
-import { BundleBulkerAbi, handleOpsAbi } from "./abi"
+import { handleOpsAbi } from "./abi"
 import { type Pool, createPool } from "@viem/anvil"
 import type { UserOperation } from "permissionless"
 import { createPimlicoBundlerClient } from "permissionless/clients/pimlico"
@@ -18,22 +18,13 @@ import {
     KINTO_ENTRYPOINT,
     kintoMainnet,
     prettyPrintTxHash,
-    sleep
+    sleep,
+    type OpInfoType,
+    type CompressedOp,
+    isCompressed
 } from "./utils"
 import { startAlto } from "./setupAlto"
 
-type CompressedOp = {
-    compressedBytes: Hex
-    inflator: Address
-}
-
-type OpInfoType = {
-    opHash: Hex
-    txHash: Hex
-    blockNum: bigint
-    opParams: UserOperation | CompressedOp
-}
-
 const canReplayUserOperation = async ({
     anvilPool,
     anvilId,
@@ -65,7 +56,7 @@ const canReplayUserOperation = async ({
     })
 
     let hash: Hex
-    if ("inflator" in opParams) {
+    if (isCompressed(opParams)) {
         hash = await bundlerClient.sendCompressedUserOperation({
             compressedUserOperation: opParams.compressedBytes,
             inflatorAddress: opParams.inflator,
@@ -122,7 +113,8 @@ const main = async () => {
     let userOperationEvents = await publicClient.getLogs({
         address: KINTO_ENTRYPOINT,
         event: parseAbiItem(userOperationEventAbi),
-        fromBlock: latestBlock - 10_000n
+        fromBlock: latestBlock - 10_000n,
+        toBlock: latestBlock
     })
     userOperationEvents = userOperationEvents.reverse()
 
@@ -163,15 +155,24 @@ const main = async () => {
                         data: rawTx.input
                     }).args[0][0]
                 } catch {
-                    const compressedBytes = decodeFunctionData({
-                        abi: BundleBulkerAbi,
-                        data: rawTx.input
-                    }).args[0]
+                    // Extract first compressedUserOperation (compressedBytes)
+                    // slice of 9 bytes:
+                    // - 4 Bytes BundleBulker Payload (PerOpInflator Id)
+                    // - 1 Bytes PerOpInflator Payload (number of ops)
+                    // - 4 Bytes PerOpInflator Payload (inflator id)
+                    const bytes = slice(rawTx.input, 9, undefined)
+
+                    const compressedLength = hexToNumber(slice(bytes, 0, 2))
+
+                    const compressedBytes = slice(
+                        bytes,
+                        2,
+                        2 + compressedLength
+                    )
+
                     opParams = {
                         compressedBytes,
-                        inflator: getAddress(
-                            "0x336a76a7A2a1e97CE20c420F39FC08c441234aa2"
-                        )
+                        inflator: "0x336a76a7A2a1e97CE20c420F39FC08c441234aa2"
                     }
                 }
 
@@ -229,7 +230,7 @@ const main = async () => {
         const endTime = performance.now()
         const elapsedTime = (endTime - startTime) / 1000
 
-        // biome-ignore lint/suspicious/noConsoleLog: <explanation>
+        // biome-ignore lint/suspicious/noConsoleLog:
         console.log(
             `Processed ${processed}/${totalOps} operations. (processed in ${elapsedTime.toFixed(
                 2
@@ -240,11 +241,15 @@ const main = async () => {
     // if any ops failed, print them and exit with 1
     if (failedOps.length > 0) {
         for (const f of failedOps) {
+            let opType = "uncompressed"
+            if (isCompressed(f.opParams)) {
+                opType = "compressed"
+            }
             // biome-ignore lint/suspicious/noConsoleLog:
             console.log(
-                `FAILED OP: ${f.opHash} (txhash: ${prettyPrintTxHash(
-                    f.txHash
-                )})`
+                `[${opType}] FAILED OP: ${
+                    f.opHash
+                } (txhash: ${prettyPrintTxHash(f.txHash)})`
             )
         }
         process.exit(1)
diff --git a/test/kinto-e2e/src/utils.ts b/test/kinto-e2e/src/utils.ts
index f75b052a..05b26adf 100644
--- a/test/kinto-e2e/src/utils.ts
+++ b/test/kinto-e2e/src/utils.ts
@@ -1,9 +1,28 @@
-import { defineChain, type Hash } from "viem"
+import type { UserOperation } from "permissionless"
+import { defineChain, type Hex, type Hash, type Address } from "viem"
 
 export const prettyPrintTxHash = (hash: Hash) => {
     return `https://kintoscan.io/tx/${hash}`
 }
 
+export type CompressedOp = {
+    compressedBytes: Hex
+    inflator: Address
+}
+
+export type OpInfoType = {
+    opHash: Hex
+    txHash: Hex
+    blockNum: bigint
+    opParams: UserOperation | CompressedOp
+}
+
+export const isCompressed = (
+    op: UserOperation | CompressedOp
+): op is CompressedOp => {
+    return "inflator" in op
+}
+
 export const kintoMainnet = defineChain({
     id: 7887,
     name: "Kinto Mainnet",