diff --git a/src/main/java/com/uid2/core/vertx/CoreVerticle.java b/src/main/java/com/uid2/core/vertx/CoreVerticle.java
index f0cfcf5..5bb8af5 100644
--- a/src/main/java/com/uid2/core/vertx/CoreVerticle.java
+++ b/src/main/java/com/uid2/core/vertx/CoreVerticle.java
@@ -343,6 +343,7 @@ private void handleAttestAsync(RoutingContext rc) {
                         }
 
                         if (enforceJWT) {
+                            logger.error("Failed creating the JWT. No JWTs returned.", e);
                             throw e;
                         } else {
                             logger.info("Failed creating the JWT, but enforceJWT is false. No JWTs returned.", e);