diff --git a/src/java/com/android/ims/ImsManager.java b/src/java/com/android/ims/ImsManager.java
index f138d45695b0cfa9919dd06b98bff0b5a1ec9a7c..3eccfc7d2c909ed1d9c0f9f6c1c6ddc6d944a861 100644
--- a/src/java/com/android/ims/ImsManager.java
+++ b/src/java/com/android/ims/ImsManager.java
@@ -2443,7 +2443,7 @@ public class ImsManager {
      * @return {@code true} if valid, {@code false} otherwise.
      */
     private boolean isSubIdValid(int subId) {
-        return subId != SubscriptionManager.INVALID_SUBSCRIPTION_ID &&
+        return SubscriptionManager.isValidSubscriptionId(subId) &&
                 subId != SubscriptionManager.DEFAULT_SUBSCRIPTION_ID;
     }
 }