diff --git a/build/vnu-jar.js b/build/vnu-jar.js
index d211ce5772..e33ccc0c8e 100644
--- a/build/vnu-jar.js
+++ b/build/vnu-jar.js
@@ -41,7 +41,7 @@ childProcess.exec('java -version', (error, stdout, stderr) => {
 
   const args = [
     '-jar',
-    vnu,
+    `"${vnu}"`,
     '--asciiquotes',
     '--skip-non-html',
     // Ignore the language code warnings