diff --git a/lib/session/call-session.js b/lib/session/call-session.js
index 0bac9fc8..489fbdda 100644
--- a/lib/session/call-session.js
+++ b/lib/session/call-session.js
@@ -710,7 +710,7 @@ class CallSession extends Emitter {
   }
 
 
-  hasGlobalSttPunctuation() {
+  get hasGlobalSttPunctuation() {
     return this._globalSttPunctuation !== undefined;
   }