diff --git a/Tools/release-clipper.js b/Tools/release-clipper.js
index f74cca4211..3e476ad1d4 100644
--- a/Tools/release-clipper.js
+++ b/Tools/release-clipper.js
@@ -83,7 +83,7 @@ async function main() {
 
 	console.info('Creating source tarball for code validation...');
 	process.chdir(`${clipperDir}/`);
-	console.info(await execCommand(`rsync -a --delete --exclude 'node_modules/' --exclude 'build/' --exclude 'dist/' "${clipperDir}/ ${tmpSourceDir}/"`));
+	console.info(await execCommand(`rsync -a --delete --exclude 'node_modules/' --exclude 'build/' --exclude 'dist/' "${clipperDir}/" "${tmpSourceDir}/"`));
 	console.info(await execCommand(`7z a -tzip joplin-webclipper-source.zip "${tmpSourceDirName}"`));
 	console.info(await execCommand(`mv joplin-webclipper-source.zip "${clipperDir}/dist/" && rm -rf "${tmpSourceDirName}"`));