diff --git a/lib/session/call-session.js b/lib/session/call-session.js
index 842398b1..797973ee 100644
--- a/lib/session/call-session.js
+++ b/lib/session/call-session.js
@@ -2689,7 +2689,7 @@ Duration=${duration} `
   /**
    * _onMaxCallDuration - called when the call has reached the maximum duration
    */
-_onMaxCallDuration() {
+  _onMaxCallDuration() {
     this.logger.info(`callSession:_onMaxCallDuration tearing down call as it has reached ${this.timeLimit}s`);
     if (!this.dlg) {
       this.logger.debug('CallSession:_onMaxCallDuration - no dialog, call already gone');