diff --git a/telephony/java/android/telephony/SubscriptionManager.java b/telephony/java/android/telephony/SubscriptionManager.java
index b6cacaf9f2899..d3bb20fe5540f 100644
--- a/telephony/java/android/telephony/SubscriptionManager.java
+++ b/telephony/java/android/telephony/SubscriptionManager.java
@@ -2767,6 +2767,8 @@ public class SubscriptionManager {
                 overrideConfig.mnc = Configuration.MNC_ZERO;
                 cacheKey = null;
             }
+        } else {
+            cacheKey = null;
         }
 
         if (useRootLocale) {