diff --git a/src/com/android/phone/PhoneInterfaceManager.java b/src/com/android/phone/PhoneInterfaceManager.java
index fc47d12..1963d34 100644
--- a/src/com/android/phone/PhoneInterfaceManager.java
+++ b/src/com/android/phone/PhoneInterfaceManager.java
@@ -2369,6 +2369,8 @@
 
     @Override
     public int checkCarrierPrivilegesForPackage(String pkgName) {
+        if (TextUtils.isEmpty(pkgName))
+            return TelephonyManager.CARRIER_PRIVILEGE_STATUS_NO_ACCESS;
         UiccCard card = UiccController.getInstance().getUiccCard(mPhone.getPhoneId());
         if (card == null) {
             loge("checkCarrierPrivilegesForPackage: No UICC");
@@ -2379,6 +2381,8 @@
 
     @Override
     public int checkCarrierPrivilegesForPackageAnyPhone(String pkgName) {
+        if (TextUtils.isEmpty(pkgName))
+            return TelephonyManager.CARRIER_PRIVILEGE_STATUS_NO_ACCESS;
         int result = TelephonyManager.CARRIER_PRIVILEGE_STATUS_RULES_NOT_LOADED;
         for (int i = 0; i < TelephonyManager.getDefault().getPhoneCount(); i++) {
             UiccCard card = UiccController.getInstance().getUiccCard(i);