diff --git a/libsignal/service/src/main/java/org/whispersystems/signalservice/api/groupsv2/GroupsV2Operations.java b/libsignal/service/src/main/java/org/whispersystems/signalservice/api/groupsv2/GroupsV2Operations.java
index cb46dc7505..1516483d62 100644
--- a/libsignal/service/src/main/java/org/whispersystems/signalservice/api/groupsv2/GroupsV2Operations.java
+++ b/libsignal/service/src/main/java/org/whispersystems/signalservice/api/groupsv2/GroupsV2Operations.java
@@ -958,6 +958,7 @@ public final class GroupsV2Operations {
       try {
         signature = new NotarySignature(groupChange.getServerSignature().toByteArray());
       } catch (InvalidInputException e) {
+        Log.w(TAG, "Invalid input while verifying group change", e);
         throw new VerificationFailedException();
       }