diff --git a/src/check-signature.ts b/src/check-signature.ts
index a128eb9..b5d38ba 100644
--- a/src/check-signature.ts
+++ b/src/check-signature.ts
@@ -6,22 +6,13 @@ import debug from 'debug';
 const d = debug('electron-notarize');
 
 const codesignDisplay = async (opts: NotaryToolNotarizeAppOptions) => {
-  const result = await spawn('codesign', ['-dv', '-vvvv', '--deep', path.basename(opts.appPath)], {
-    cwd: path.dirname(opts.appPath),
-  });
+  const result = await spawn('codesign', ['-dv', '-vvvv', '--deep', opts.appPath]);
   return result;
 };
 
 const codesign = async (opts: NotaryToolNotarizeAppOptions) => {
   d('attempting to check codesign of app:', opts.appPath);
-  const result = await spawn(
-    'codesign',
-    ['-vvv', '--deep', '--strict', path.basename(opts.appPath)],
-    {
-      cwd: path.dirname(opts.appPath),
-    },
-  );
-
+  const result = await spawn('codesign', ['-vvv', '--deep', '--strict', opts.appPath]);
   return result;
 };
 export async function checkSignatures(opts: NotaryToolNotarizeAppOptions): Promise<void> {
diff --git a/src/notarytool.ts b/src/notarytool.ts
index c31103a..35434e9 100644
--- a/src/notarytool.ts
+++ b/src/notarytool.ts
@@ -81,13 +81,14 @@ export async function notarizeAndWaitForNotaryTool(opts: NotaryToolStartOptions)
     } else {
       filePath = path.resolve(dir, `${path.parse(opts.appPath).name}.zip`);
       d('zipping application to:', filePath);
-      const zipResult = await spawn(
-        'ditto',
-        ['-c', '-k', '--sequesterRsrc', '--keepParent', path.basename(opts.appPath), filePath],
-        {
-          cwd: path.dirname(opts.appPath),
-        },
-      );
+      const zipResult = await spawn('ditto', [
+        '-c',
+        '-k',
+        '--sequesterRsrc',
+        '--keepParent',
+        opts.appPath,
+        filePath,
+      ]);
       if (zipResult.code !== 0) {
         throw new Error(
           `Failed to zip application, exited with code: ${zipResult.code}\n\n${zipResult.output}`,
diff --git a/src/staple.ts b/src/staple.ts
index 6a24c7f..92af881 100644
--- a/src/staple.ts
+++ b/src/staple.ts
@@ -1,5 +1,4 @@
 import debug from 'debug';
-import * as path from 'path';
 
 import { spawn } from './spawn';
 import { NotaryToolNotarizeAppOptions } from './types';
@@ -8,9 +7,7 @@ const d = debug('electron-notarize:staple');
 
 export async function stapleApp(opts: NotaryToolNotarizeAppOptions): Promise<void> {
   d('attempting to staple app:', opts.appPath);
-  const result = await spawn('xcrun', ['stapler', 'staple', '-v', path.basename(opts.appPath)], {
-    cwd: path.dirname(opts.appPath),
-  });
+  const result = await spawn('xcrun', ['stapler', 'staple', '-v', opts.appPath]);
 
   if (result.code !== 0) {
     throw new Error(