diff --git a/src/com/android/phone/CallFeaturesSetting.java b/src/com/android/phone/CallFeaturesSetting.java
index 0cb93aa..629276e 100644
--- a/src/com/android/phone/CallFeaturesSetting.java
+++ b/src/com/android/phone/CallFeaturesSetting.java
@@ -410,6 +410,10 @@
                 }
             }
             mButtonWifiCalling.setSummary(resId);
+            Intent intent = mButtonWifiCalling.getIntent();
+            if (intent != null) {
+                intent.putExtra(Settings.EXTRA_SUB_ID, mPhone.getSubId());
+            }
             prefSet.addPreference(mButtonWifiCalling);
         }