diff --git a/note-editor b/note-editor
index 85f1a03db6..3c75eb213b 160000
--- a/note-editor
+++ b/note-editor
@@ -1 +1 @@
-Subproject commit 85f1a03db6fab7700e6a00641995b7801fa1c5a8
+Subproject commit 3c75eb213b23da239b5b0c69b9e61ff54a2f2a4c
diff --git a/pdf-reader b/pdf-reader
index ac7cae37ae..f147bbaeaf 160000
--- a/pdf-reader
+++ b/pdf-reader
@@ -1 +1 @@
-Subproject commit ac7cae37ae8ba5ea8fc5e0b2a3faebd2d432e65a
+Subproject commit f147bbaeafd00023bfbd3058a6d7697570da509e
diff --git a/scripts/note-editor.js b/scripts/note-editor.js
index e64d6993d8..35bf5ecf09 100644
--- a/scripts/note-editor.js
+++ b/scripts/note-editor.js
@@ -1,6 +1,7 @@
 'use strict';
 
 const fs = require('fs-extra');
+const path = require('path');
 const util = require('util');
 const exec = util.promisify(require('child_process').exec);
 const { getSignatures, writeSignatures, onSuccess, onError } = require('./utils');
@@ -9,28 +10,35 @@ const { buildsURL } = require('./config');
 async function getZoteroNoteEditor(signatures) {
 	const t1 = Date.now();
 
-	const { stdout } = await exec('git rev-parse HEAD', { cwd: './note-editor' });
+	const modulePath = path.join(__dirname, '..', 'note-editor');
+
+	const { stdout } = await exec('git rev-parse HEAD', { cwd: modulePath });
 	const hash = stdout.trim();
 
 	if (!('note-editor' in signatures) || signatures['note-editor'].hash !== hash) {
-		const targetDir = 'build/resource/note-editor/';
+		const targetDir = path.join(__dirname, '..', 'build', 'resource', 'note-editor');
 		try {
 			const filename = hash + '.zip';
-			const tmpDir = 'tmp/builds/note-editor/';
+			const tmpDir = path.join(__dirname, '..', 'tmp', 'builds', 'note-editor');
 			const url = buildsURL + 'client-note-editor/' + filename;
+
+			await fs.remove(targetDir);
+			await fs.ensureDir(targetDir);
+			await fs.ensureDir(tmpDir);
+
 			await exec(
-				`mkdir -p ${tmpDir}`
-				+ `&& cd ${tmpDir}`
-				+ `&& (test -f ${filename} || curl -f ${url} -o ${filename})`
-				+ `&& rm -rf ../../../${targetDir}`
-				+ `&& mkdir -p ../../../${targetDir}`
-				+ `&& unzip -o ${filename} -d ../../../${targetDir}`
+				`cd ${tmpDir}`
+				+ ` && (test -f ${filename} || curl -f ${url} -o ${filename})`
+				+ ` && unzip ${filename} zotero/* -d ${targetDir}`
+				+ ` && mv ${path.join(targetDir, 'zotero', '*')} ${targetDir}`
 			);
+
+			await fs.remove(path.join(targetDir, 'zotero'));
 		}
 		catch (e) {
-			await exec('npm ci', { cwd: 'note-editor' });
-			await exec('npm run build', { cwd: 'note-editor' });
-			await fs.copy('note-editor/build/zotero', targetDir);
+			await exec('npm ci', { cwd: modulePath });
+			await exec('npm run build', { cwd: modulePath });
+			await fs.copy(path.join(modulePath, 'build', 'zotero'), targetDir);
 		}
 		signatures['note-editor'] = { hash };
 	}
diff --git a/scripts/pdf-reader.js b/scripts/pdf-reader.js
index 9c8fbb2c21..f6f05b218e 100644
--- a/scripts/pdf-reader.js
+++ b/scripts/pdf-reader.js
@@ -1,6 +1,7 @@
 'use strict';
 
 const fs = require('fs-extra');
+const path = require('path');
 const util = require('util');
 const exec = util.promisify(require('child_process').exec);
 const { getSignatures, writeSignatures, onSuccess, onError } = require('./utils');
@@ -8,29 +9,36 @@ const { buildsURL } = require('./config');
 
 async function getPDFReader(signatures) {
 	const t1 = Date.now();
+
+	const modulePath = path.join(__dirname, '..', 'pdf-reader');
 	
-	const { stdout } = await exec('git rev-parse HEAD', { cwd: './pdf-reader' });
+	const { stdout } = await exec('git rev-parse HEAD', { cwd: modulePath });
 	const hash = stdout.trim();
 	
 	if (!('pdf-reader' in signatures) || signatures['pdf-reader'].hash !== hash) {
-		const targetDir = 'build/resource/pdf-reader/';
+		const targetDir = path.join(__dirname, '..', 'build', 'resource', 'pdf-reader');
 		try {
 			const filename = hash + '.zip';
-			const tmpDir = 'tmp/builds/pdf-reader/';
+			const tmpDir = path.join(__dirname, '..', 'tmp', 'builds', 'pdf-reader');
 			const url = buildsURL + 'client-pdf-reader/' + filename;
+
+			await fs.remove(targetDir);
+			await fs.ensureDir(targetDir);
+			await fs.ensureDir(tmpDir);
+
 			await exec(
-				`mkdir -p ${tmpDir}`
-				+ `&& cd ${tmpDir}`
-				+ `&& (test -f ${filename} || curl -f ${url} -o ${filename})`
-				+ `&& rm -rf ../../../${targetDir}`
-				+ `&& mkdir -p ../../../${targetDir}`
-				+ `&& unzip -o ${filename} -d ../../../${targetDir}`
+				`cd ${tmpDir}`
+				+ ` && (test -f ${filename} || curl -f ${url} -o ${filename})`
+				+ ` && unzip ${filename} zotero/* -d ${targetDir}`
+				+ ` && mv ${path.join(targetDir, 'zotero', '*')} ${targetDir}`
 			);
+
+			await fs.remove(path.join(targetDir, 'zotero'));
 		}
 		catch (e) {
-			await exec('npm ci', { cwd: 'pdf-reader' });
-			await exec('npm run build', { cwd: 'pdf-reader' });
-			await fs.copy('pdf-reader/build/zotero', targetDir);
+			await exec('npm ci', { cwd: modulePath });
+			await exec('npm run build', { cwd: modulePath });
+			await fs.copy(path.join(modulePath, 'build', 'zotero'), targetDir);
 		}
 		signatures['pdf-reader'] = { hash };
 	}
diff --git a/scripts/pdf-worker.js b/scripts/pdf-worker.js
index 2576273368..9aef082022 100644
--- a/scripts/pdf-worker.js
+++ b/scripts/pdf-worker.js
@@ -1,6 +1,7 @@
 'use strict';
 
 const fs = require('fs-extra');
+const path = require('path');
 const util = require('util');
 const exec = util.promisify(require('child_process').exec);
 const { getSignatures, writeSignatures, onSuccess, onError } = require('./utils');
@@ -9,27 +10,32 @@ const { buildsURL } = require('./config');
 async function getPDFWorker(signatures) {
 	const t1 = Date.now();
 
-	const { stdout } = await exec('git rev-parse HEAD', { cwd: 'pdf-worker' });
+	const modulePath = path.join(__dirname, '..', 'pdf-worker');
+
+	const { stdout } = await exec('git rev-parse HEAD', { cwd: modulePath });
 	const hash = stdout.trim();
 
 	if (!('pdf-worker' in signatures) || signatures['pdf-worker'].hash !== hash) {
-		const targetDir = 'build/chrome/content/zotero/xpcom/pdfWorker/';
+		const targetDir = path.join(__dirname, '..', 'build', 'chrome', 'content', 'zotero', 'xpcom', 'pdfWorker');
 		try {
 			const filename = hash + '.zip';
-			const tmpDir = 'tmp/builds/pdf-worker';
+			const tmpDir = path.join(__dirname, '..', 'tmp', 'builds', 'pdf-worker');
 			const url = buildsURL + 'client-pdf-worker/' + filename;
+
+			await fs.remove(targetDir);
+			await fs.ensureDir(targetDir);
+			await fs.ensureDir(tmpDir);
+
 			await exec(
-				`mkdir -p ${tmpDir}`
-				+ `&& cd ${tmpDir}`
-				+ `&& (test -f ${filename} || curl -f ${url} -o ${filename})`
-				+ `&& mkdir -p ../../../${targetDir}`
-				+ `&& unzip -o ${filename} -d ../../../${targetDir}`
+				`cd ${tmpDir}`
+				+ ` && (test -f ${filename} || curl -f ${url} -o ${filename})`
+				+ ` && unzip -o ${filename} -d ${targetDir}`
 			);
 		}
 		catch (e) {
-			await exec('npm ci', { cwd: 'pdf-worker' });
-			await exec('npm run build', { cwd: 'pdf-worker' });
-			await fs.copy('pdf-worker/build/worker.js', targetDir + 'worker.js');
+			await exec('npm ci', { cwd: modulePath });
+			await exec('npm run build', { cwd: modulePath });
+			await fs.copy(path.join(modulePath, 'build', 'worker.js'), path.join(targetDir, 'worker.js'));
 		}
 		signatures['pdf-worker'] = { hash };
 	}