diff --git a/src/main.ts b/src/main.ts
index edfd6b0..06b32ca 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -69,7 +69,6 @@ function scrubSecrets(input: string): string {
 
 async function setupArgoCDCommand(): Promise<(params: string) => Promise<ExecResult>> {
   const argoBinaryPath = 'bin/argo';
-  const arch = === 'x64' ? 'amd64' : os.arch()
   await tc.downloadTool(
     `https://github.com/argoproj/argo-cd/releases/download/${VERSION}/argocd-${PLATFORM}-${ARCH}`,
     argoBinaryPath
@@ -209,6 +208,8 @@ async function run(): Promise<void> {
   const argocd = await setupArgoCDCommand();
   const apps = await getApps();
   core.info(`Found apps: ${apps.map(a => a.metadata.name).join(', ')}`);
+  core.info(`check os : ${os.platform()}`);
+  core.info(`check arch : ${os.arch()}`);
 
   const diffs: Diff[] = [];