diff --git a/keymaster/4.0/support/authorization_set.cpp b/keymaster/4.0/support/authorization_set.cpp
index 10d272a9bf..b6cba616a7 100644
--- a/keymaster/4.0/support/authorization_set.cpp
+++ b/keymaster/4.0/support/authorization_set.cpp
@@ -261,9 +261,8 @@ struct choose_serializer<MetaList<Tags...>> {
 template <>
 struct choose_serializer<> {
     static OutStreams& serialize(OutStreams& out, const KeyParameter& param) {
-        LOG(FATAL) << "Trying to serialize unknown tag " << unsigned(param.tag)
+        LOG(ERROR) << "Trying to serialize unknown tag " << unsigned(param.tag)
                    << ". Did you forget to add it to all_tags_t?";
-        abort();
         return out;
     }
 };