diff --git a/telephony/java/android/telephony/CarrierConfigManager.java b/telephony/java/android/telephony/CarrierConfigManager.java
index 88a700e49a98a..d5e834d5e2ef1 100644
--- a/telephony/java/android/telephony/CarrierConfigManager.java
+++ b/telephony/java/android/telephony/CarrierConfigManager.java
@@ -4464,7 +4464,7 @@ public class CarrierConfigManager {
                 });
         sDefaults.putBoolean(KEY_SUPPORT_WPS_OVER_IMS_BOOL, true);
         sDefaults.putAll(Ims.getDefaults());
-        sDefaults.putStringArray(KEY_CARRIER_CERTIFICATE_STRING_ARRAY, null);
+        sDefaults.putStringArray(KEY_CARRIER_CERTIFICATE_STRING_ARRAY, new String[0]);
          sDefaults.putBoolean(KEY_FORMAT_INCOMING_NUMBER_TO_NATIONAL_FOR_JP_BOOL, false);
         sDefaults.putIntArray(KEY_DISCONNECT_CAUSE_PLAY_BUSYTONE_INT_ARRAY,
                 new int[] {4 /* BUSY */});