diff --git a/lib/session/call-session.js b/lib/session/call-session.js
index f27cc80b..6d45f4d3 100644
--- a/lib/session/call-session.js
+++ b/lib/session/call-session.js
@@ -567,10 +567,14 @@ class CallSession extends Emitter {
     dlg.connectTime = moment();
     const origDestroy = dlg.destroy.bind(dlg);
     dlg.destroy = () => {
-      const duration = moment().diff(this.dlg.connectTime, 'seconds');
-      this.emit('callStatusChange', {callStatus: CallStatus.Completed, duration});
-      this.logger.debug('CallSession: call terminated by jambones');
-      if (dlg.connected) origDestroy();
+      if (dlg.connected) {
+        dlg.connected = false;
+        dlg.destroy = origDestroy;
+        const duration = moment().diff(this.dlg.connectTime, 'seconds');
+        this.emit('callStatusChange', {callStatus: CallStatus.Completed, duration});
+        this.logger.debug('CallSession: call terminated by jambones');
+        origDestroy();
+      }
     };
   }