diff --git a/scripts/note-editor.js b/scripts/note-editor.js
index 5a7351b3ad..e64d6993d8 100644
--- a/scripts/note-editor.js
+++ b/scripts/note-editor.js
@@ -28,7 +28,8 @@ async function getZoteroNoteEditor(signatures) {
 			);
 		}
 		catch (e) {
-			await exec('npm ci;npm run build', { cwd: 'note-editor' });
+			await exec('npm ci', { cwd: 'note-editor' });
+			await exec('npm run build', { cwd: 'note-editor' });
 			await fs.copy('note-editor/build/zotero', targetDir);
 		}
 		signatures['note-editor'] = { hash };
diff --git a/scripts/pdf-reader.js b/scripts/pdf-reader.js
index 957a708d3a..9c8fbb2c21 100644
--- a/scripts/pdf-reader.js
+++ b/scripts/pdf-reader.js
@@ -28,7 +28,8 @@ async function getPDFReader(signatures) {
 			);
 		}
 		catch (e) {
-			await exec('npm ci;npm run build', { cwd: 'pdf-reader' });
+			await exec('npm ci', { cwd: 'pdf-reader' });
+			await exec('npm run build', { cwd: 'pdf-reader' });
 			await fs.copy('pdf-reader/build/zotero', targetDir);
 		}
 		signatures['pdf-reader'] = { hash };
diff --git a/scripts/pdf-worker.js b/scripts/pdf-worker.js
index fa37ab97cc..2576273368 100644
--- a/scripts/pdf-worker.js
+++ b/scripts/pdf-worker.js
@@ -27,7 +27,8 @@ async function getPDFWorker(signatures) {
 			);
 		}
 		catch (e) {
-			await exec('npm ci;npm run build', { cwd: 'pdf-worker' });
+			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');
 		}
 		signatures['pdf-worker'] = { hash };