diff --git a/src/com/android/services/telephony/TelephonyConnection.java b/src/com/android/services/telephony/TelephonyConnection.java
index 4c8f8c1..d5ff043 100644
--- a/src/com/android/services/telephony/TelephonyConnection.java
+++ b/src/com/android/services/telephony/TelephonyConnection.java
@@ -976,6 +976,9 @@
     }
 
     private boolean shouldSetDisableAddCallExtra() {
+        if (mOriginalConnection == null) {
+            return false;
+        }
         boolean carrierShouldAllowAddCall = mOriginalConnection.shouldAllowAddCallDuringVideoCall();
         if (carrierShouldAllowAddCall) {
             return false;