diff --git a/src/com/android/services/telephony/TelephonyConnection.java b/src/com/android/services/telephony/TelephonyConnection.java
index fc9e255..ec7cffc 100644
--- a/src/com/android/services/telephony/TelephonyConnection.java
+++ b/src/com/android/services/telephony/TelephonyConnection.java
@@ -645,6 +645,7 @@
         @Override
         public void onRttTerminated() {
             updateConnectionProperties();
+            refreshConferenceSupported();
             sendRttSessionRemotelyTerminated();
         }