diff --git a/frontend/src/App.css b/frontend/src/App.css
index 15fce39..8d679da 100644
--- a/frontend/src/App.css
+++ b/frontend/src/App.css
@@ -23,7 +23,7 @@ input.instantUpdate {
 .warningToast {
   background-color: rgba(255, 181, 44, 0.603) !important;
 }
-.errorToast, .exceptionToast {
+.errorToast, .criticalToast {
   background-color: rgba(216, 41, 18, 0.678) !important;
 }
 .buttonComponent {
diff --git a/frontend/src/components/NotificationsComponent.tsx b/frontend/src/components/NotificationsComponent.tsx
index e756fc4..d023123 100644
--- a/frontend/src/components/NotificationsComponent.tsx
+++ b/frontend/src/components/NotificationsComponent.tsx
@@ -1,7 +1,7 @@
 import React from 'react';
 import { ToastContainer, Toast } from 'react-bootstrap';
 
-export type LevelName = 'ERROR' | 'WARNING' | 'INFO' | 'DEBUG';
+export type LevelName = 'CRITICAL' | 'ERROR' | 'WARNING' | 'INFO' | 'DEBUG';
 export type Notification = {
   id: number;
   timeStamp: string;
@@ -24,6 +24,7 @@ export const Notifications = React.memo((props: NotificationProps) => {
         // Determine if the toast should be shown
         const shouldShow =
           notification.levelname === 'ERROR' ||
+          notification.levelname === 'CRITICAL' ||
           (showNotification &&
             ['WARNING', 'INFO', 'DEBUG'].includes(notification.levelname));
 
diff --git a/src/pydase/utils/logging.py b/src/pydase/utils/logging.py
index c0a7d08..617792c 100644
--- a/src/pydase/utils/logging.py
+++ b/src/pydase/utils/logging.py
@@ -38,7 +38,7 @@ class DefaultFormatter(uvicorn.logging.ColourizedFormatter):
 
 class SocketIOHandler(logging.Handler):
     """
-    Custom logging handler that emits ERROR and EXCEPTION log records to a Socket.IO
+    Custom logging handler that emits ERROR and CRITICAL log records to a Socket.IO
     server, allowing for real-time logging in applications that use Socket.IO for
     communication.
     """