diff --git a/index.js b/index.js
index 9e7fd71..9177d2a 100644
--- a/index.js
+++ b/index.js
@@ -52,7 +52,7 @@ if (process.argv.includes('--auto-restart')) {
 }
 
 const rtcConfig = process.env.RTC_CONFIG
-    ? fs.readFileSync(process.env.RTC_CONFIG, 'utf8')
+    ? JSON.parse(fs.readFileSync(process.env.RTC_CONFIG, 'utf8'))
     : {
         "sdpSemantics": "unified-plan",
         "iceServers": [