diff --git a/src/com/android/phone/PhoneGlobals.java b/src/com/android/phone/PhoneGlobals.java
index 9a8526b..2ec9e1b 100644
--- a/src/com/android/phone/PhoneGlobals.java
+++ b/src/com/android/phone/PhoneGlobals.java
@@ -574,6 +574,13 @@
             intentFilter.addAction(TelephonyIntents.ACTION_DEFAULT_DATA_SUBSCRIPTION_CHANGED);
             intentFilter.addAction(CarrierConfigManager.ACTION_CARRIER_CONFIG_CHANGED);
             registerReceiver(mReceiver, intentFilter);
+            int defaultDataSubId = SubscriptionManager.getDefaultDataSubscriptionId();
+            if (SubscriptionManager.isValidSubscriptionId(defaultDataSubId)) {
+                if (VDBG) Log.v(LOG_TAG, "Loaded initial default data sub: " + defaultDataSubId);
+                mDefaultDataSubId = defaultDataSubId;
+                registerSettingsObserver();
+                updateDataRoamingStatus();
+            }
 
             PhoneConfigurationManager.registerForMultiSimConfigChange(
                     mHandler, EVENT_MULTI_SIM_CONFIG_CHANGED, null);