diff --git a/src/opnsense/mvc/app/controllers/OPNsense/Base/ApiControllerBase.php b/src/opnsense/mvc/app/controllers/OPNsense/Base/ApiControllerBase.php
index cee653495..48b996bf2 100644
--- a/src/opnsense/mvc/app/controllers/OPNsense/Base/ApiControllerBase.php
+++ b/src/opnsense/mvc/app/controllers/OPNsense/Base/ApiControllerBase.php
@@ -172,6 +172,10 @@ class ApiControllerBase extends ControllerRoot
                                 return true;
                             }
                         }
+                    } else {
+                        $this->getLogger()->error("uri ".$_SERVER['REQUEST_URI'].
+                            " authentication failed for api key ". $apiKey
+                        );
                     }
                 }
             }