diff --git a/src/com/android/server/telecom/RespondViaSmsManager.java b/src/com/android/server/telecom/RespondViaSmsManager.java
index 8164df0..1e84613 100644
--- a/src/com/android/server/telecom/RespondViaSmsManager.java
+++ b/src/com/android/server/telecom/RespondViaSmsManager.java
@@ -191,7 +191,7 @@
                 final Uri uri = Uri.fromParts(Constants.SCHEME_SMSTO, phoneNumber, null);
                 final Intent intent = new Intent(TelephonyManager.ACTION_RESPOND_VIA_MESSAGE, uri);
                 intent.putExtra(Intent.EXTRA_TEXT, textMessage);
-                if (subId != SubscriptionManager.INVALID_SUBSCRIPTION_ID) {
+                if (SubscriptionManager.isValidSubscriptionId(subId)) {
                     intent.putExtra(PhoneConstants.SUBSCRIPTION_KEY, subId);
                 }