diff --git a/java/com/android/voicemail/impl/CarrierIdentifierMatcher.java b/java/com/android/voicemail/impl/CarrierIdentifierMatcher.java
index d7c28fe..5953755 100644
--- a/java/com/android/voicemail/impl/CarrierIdentifierMatcher.java
+++ b/java/com/android/voicemail/impl/CarrierIdentifierMatcher.java
@@ -51,7 +51,7 @@
       return false;
     }
     if (gid1().isPresent()) {
-      if (!gid1().get().equals(carrierIdentifier.gid1())) {
+      if (!gid1().get().equalsIgnoreCase(carrierIdentifier.gid1())) {
         return false;
       }
     }