diff --git a/app/Subscriber/AuthSubscriber.php b/app/Subscriber/AuthSubscriber.php
index 3f6ad05a5..2305a6aa1 100644
--- a/app/Subscriber/AuthSubscriber.php
+++ b/app/Subscriber/AuthSubscriber.php
@@ -95,10 +95,11 @@ class AuthSubscriber extends BaseSubscriber implements EventSubscriberInterface
     {
         $this->logger->debug('Subscriber executed: '.__METHOD__);
         $username = $event->getUsername();
-
+        $ipAddress = $this->request->getIpAddress();
+        
         if (! empty($username)) {
             // log login failure in web server log to allow fail2ban usage
-            error_log('Kanboard: user '.$username.' authentication failure');
+            error_log('Kanboard: user '.$username.' authentication failure with IP address: '.$ipAddress);
             $this->userLockingModel->incrementFailedLogin($username);
 
             if ($this->userLockingModel->getFailedLogin($username) > BRUTEFORCE_LOCKDOWN) {
@@ -107,7 +108,7 @@ class AuthSubscriber extends BaseSubscriber implements EventSubscriberInterface
         }
         else {
             // log login failure in web server log to allow fail2ban usage
-            error_log('Kanboard: user Unknown authentication failure');
+            error_log('Kanboard: user Unknown authentication failure with IP address: '.$ipAddress);
         }
     }
 }