diff --git a/index.js b/index.js
index 3e75e10..76d72fd 100644
--- a/index.js
+++ b/index.js
@@ -72,7 +72,7 @@ app.post('/play', (req, res) => {
 		video = path.join('/tmp/', path.basename(video))
 	}
 
-	process = require('child_process').spawn('ffplay', [video], {env: {DISPLAY: ':0'}});
+	process = require('child_process').spawn('ffplay', [video], { env: { ...process.env, DISPLAY: ':0' } });
 	res.json({ status: 'ok' });
 });