diff --git a/extensions/vertx-http/runtime/src/main/java/io/quarkus/vertx/http/runtime/cors/CORSFilter.java b/extensions/vertx-http/runtime/src/main/java/io/quarkus/vertx/http/runtime/cors/CORSFilter.java
index b28d0d7a470cb..b6def745a683c 100644
--- a/extensions/vertx-http/runtime/src/main/java/io/quarkus/vertx/http/runtime/cors/CORSFilter.java
+++ b/extensions/vertx-http/runtime/src/main/java/io/quarkus/vertx/http/runtime/cors/CORSFilter.java
@@ -150,6 +150,7 @@ public void handle(RoutingContext event) {
                 }
             }
             if (!allowsOrigin) {
+                LOG.debugf("Invalid origin %s", origin);
                 response.setStatusCode(403);
                 response.setStatusMessage("CORS Rejected - Invalid origin");
             } else {
@@ -183,7 +184,7 @@ public void handle(RoutingContext event) {
 
             //we check that the actual request matches the allowed methods and headers
             if (!isMethodAllowed(request.method())) {
-                LOG.debug("Method is not allowed");
+                LOG.debugf("Method %s is not allowed", request.method());
                 response.setStatusCode(403);
                 response.setStatusMessage("CORS Rejected - Invalid method");
                 response.end();