diff --git a/public/full.js b/public/full.js
index a724721..5ab2ba1 100644
--- a/public/full.js
+++ b/public/full.js
@@ -531,7 +531,7 @@ window.hangup = () => {
     micAnalyzer.destroy()
   }
 
-  if (roomObj) {
+  if (roomObj && roomObj.state !== 'destroy') {
     roomObj.hangup()
   }