diff --git a/src/install.ts b/src/install.ts
index 1f5083f..8d71ec7 100644
--- a/src/install.ts
+++ b/src/install.ts
@@ -1,6 +1,6 @@
 import * as core from "@actions/core"
 import * as tc from "@actions/tool-cache"
-import { exec, ExecOptions } from "child_process"
+import { exec, ExecOptionsWithStringEncoding } from "child_process"
 import os from "os"
 import path from "path"
 import { promisify } from "util"
@@ -82,7 +82,7 @@ async function goInstall(versionInfo: VersionInfo): Promise<string> {
 
   const startedAt = Date.now()
 
-  const options: ExecOptions = { env: { ...process.env, CGO_ENABLED: "1" } }
+  const options: ExecOptionsWithStringEncoding = { env: { ...process.env, CGO_ENABLED: "1" } }
 
   const exres = await execShellCommand(
     `go install github.com/golangci/golangci-lint/v2/cmd/golangci-lint@${versionInfo.TargetVersion}`,
@@ -160,21 +160,20 @@ function getAssetURL(versionInfo: VersionInfo): string {
       break
   }
 
-  let arch = os.arch()
-  switch (arch) {
+  let platformArch = "amd64"
+  switch (os.arch()) {
     case "arm64":
-      arch = "arm64"
+      platformArch = "arm64"
       break
     case "x64":
-      arch = "amd64"
+      platformArch = "amd64"
       break
-    case "x32":
     case "ia32":
-      arch = "386"
+      platformArch = "386"
       break
   }
 
   const noPrefix = versionInfo.TargetVersion.slice(1)
 
-  return `https://github.com/golangci/golangci-lint/releases/download/${versionInfo.TargetVersion}/golangci-lint-${noPrefix}-${platform}-${arch}.${ext}`
+  return `https://github.com/golangci/golangci-lint/releases/download/${versionInfo.TargetVersion}/golangci-lint-${noPrefix}-${platform}-${platformArch}.${ext}`
 }
diff --git a/src/run.ts b/src/run.ts
index 6418ab5..8f79b99 100644
--- a/src/run.ts
+++ b/src/run.ts
@@ -1,6 +1,6 @@
 import * as core from "@actions/core"
 import * as github from "@actions/github"
-import { exec, ExecOptions } from "child_process"
+import { exec, ExecOptionsWithStringEncoding } from "child_process"
 import * as fs from "fs"
 import * as path from "path"
 import { promisify } from "util"
@@ -116,7 +116,7 @@ async function runLint(binPath: string, patchPath: string): Promise<void> {
     }
   }
 
-  const cmdArgs: ExecOptions = {}
+  const cmdArgs: ExecOptionsWithStringEncoding = {}
 
   const workingDirectory = core.getInput(`working-directory`)
   if (workingDirectory) {
@@ -156,7 +156,7 @@ async function runLint(binPath: string, patchPath: string): Promise<void> {
   core.info(`Ran golangci-lint in ${Date.now() - startedAt}ms`)
 }
 
-async function runVerify(binPath: string, userArgsMap: Map<string, string>, cmdArgs: ExecOptions): Promise<void> {
+async function runVerify(binPath: string, userArgsMap: Map<string, string>, cmdArgs: ExecOptionsWithStringEncoding): Promise<void> {
   const verify = core.getBooleanInput(`verify`, { required: true })
   if (!verify) {
     return
@@ -178,7 +178,7 @@ async function runVerify(binPath: string, userArgsMap: Map<string, string>, cmdA
   printOutput(res)
 }
 
-async function getConfigPath(binPath: string, userArgsMap: Map<string, string>, cmdArgs: ExecOptions): Promise<string> {
+async function getConfigPath(binPath: string, userArgsMap: Map<string, string>, cmdArgs: ExecOptionsWithStringEncoding): Promise<string> {
   let cmdConfigPath = `${binPath} config path`
   if (userArgsMap.get("config")) {
     cmdConfigPath += ` --config=${userArgsMap.get("config")}`