diff --git a/src/lib/parser/ParserRules.test.ts b/src/lib/parser/ParserRules.test.ts
index bad0f726..4bb1bd6a 100644
--- a/src/lib/parser/ParserRules.test.ts
+++ b/src/lib/parser/ParserRules.test.ts
@@ -19,8 +19,9 @@ describe('ParserRules', () => {
     try {
       await ParserRules.Load('owner', 'id');
     } catch (error) {
-      expect(error).toBeInstanceOf(TypeError);
-      expect(error.message).toContain('Cannot read properties of undefined');
+      const typedError = error as TypeError;
+      expect(typedError).toBeInstanceOf(TypeError);
+      expect(typedError.message).toContain('Cannot read properties of undefined');
     }
   });
-}); 
\ No newline at end of file
+});
\ No newline at end of file
diff --git a/src/lib/zip/fallback/unpack.ts b/src/lib/zip/fallback/unpack.ts
index 95657577..33e8572a 100644
--- a/src/lib/zip/fallback/unpack.ts
+++ b/src/lib/zip/fallback/unpack.ts
@@ -1,4 +1,6 @@
 import { spawn } from 'node:child_process';
+import { createWriteStream } from 'node:fs';
+import { join } from 'node:path';
 
 import { listFiles } from './listFiles';
 import { File } from './types';
@@ -7,15 +9,19 @@ const TAR_PATH = '/usr/bin/bsdtar';
 
 export function unpack(filePath: string, workspace: string): Promise<File[]> {
   return new Promise((resolve, reject) => {
+    const stdoutLogPath = join(workspace, 'tar_stdout.log');
+    const stderrLogPath = join(workspace, 'tar_stderr.log');
+
+    const stdoutStream = createWriteStream(stdoutLogPath, { flags: 'a' });
+    const stderrStream = createWriteStream(stderrLogPath, { flags: 'a' });
+
     const decompressProcess = spawn(TAR_PATH, ['xvf', filePath], {
       cwd: workspace,
     });
-    decompressProcess.stdout.on('data', (data) => {
-      console.log(`tar output: ${data}`);
-    });
-    decompressProcess.stderr.on('data', (data) => {
-      console.error(`tar error: ${data}`);
-    });
+
+    decompressProcess.stdout.pipe(stdoutStream);
+    decompressProcess.stderr.pipe(stderrStream);
+
     decompressProcess.on('close', () => {
       // We are not reading the status code because we support partial extraction
       listFiles(workspace).then(resolve).catch(reject);