diff --git a/admin/app/controllers/chats_controller.ts b/admin/app/controllers/chats_controller.ts
index 9d412bc..f6ad4d7 100644
--- a/admin/app/controllers/chats_controller.ts
+++ b/admin/app/controllers/chats_controller.ts
@@ -4,12 +4,19 @@ import { ChatService } from '#services/chat_service'
 import { createSessionSchema, updateSessionSchema, addMessageSchema } from '#validators/chat'
 import { parseBoolean } from '../utils/misc.js'
 import KVStore from '#models/kv_store'
+import { SystemService } from '#services/system_service'
+import { SERVICE_NAMES } from '../../constants/service_names.js'
 
 @inject()
 export default class ChatsController {
-  constructor(private chatService: ChatService) {}
+  constructor(private chatService: ChatService, private systemService: SystemService) {}
 
-  async inertia({ inertia }: HttpContext) {
+  async inertia({ inertia, response }: HttpContext) {
+    const aiAssistantInstalled = await this.systemService.checkServiceInstalled(SERVICE_NAMES.OLLAMA)
+    if (!aiAssistantInstalled) {
+      return response.status(404).json({ error: 'AI Assistant service not installed' })
+    }
+    
     const chatSuggestionsEnabled = await KVStore.getValue('chat.suggestionsEnabled')
     return inertia.render('chat', {
       settings: {
diff --git a/admin/app/services/system_service.ts b/admin/app/services/system_service.ts
index c302dc3..3ca2744 100644
--- a/admin/app/services/system_service.ts
+++ b/admin/app/services/system_service.ts
@@ -20,6 +20,11 @@ export class SystemService {
 
   constructor(private dockerService: DockerService) {}
 
+  async checkServiceInstalled(serviceName: string): Promise<boolean> {
+    const services = await this.getServices({ installedOnly: true });
+    return services.some(service => service.service_name === serviceName);
+  }
+
   async getInternetStatus(): Promise<boolean> {
     const DEFAULT_TEST_URL = 'https://1.1.1.1/cdn-cgi/trace'
     const MAX_ATTEMPTS = 3
diff --git a/admin/inertia/layouts/AppLayout.tsx b/admin/inertia/layouts/AppLayout.tsx
index 1b2359a..d740058 100644
--- a/admin/inertia/layouts/AppLayout.tsx
+++ b/admin/inertia/layouts/AppLayout.tsx
@@ -2,9 +2,12 @@ import { useState } from 'react'
 import Footer from '~/components/Footer'
 import ChatButton from '~/components/chat/ChatButton'
 import ChatModal from '~/components/chat/ChatModal'
+import useServiceInstalledStatus from '~/hooks/useServiceInstalledStatus'
+import { SERVICE_NAMES } from '../../constants/service_names'
 
 export default function AppLayout({ children }: { children: React.ReactNode }) {
   const [isChatOpen, setIsChatOpen] = useState(false)
+  const aiAssistantInstalled = useServiceInstalledStatus(SERVICE_NAMES.OLLAMA)
 
   return (
     <div className="min-h-screen flex flex-col">
@@ -19,8 +22,12 @@ export default function AppLayout({ children }: { children: React.ReactNode }) {
       <div className="flex-1 w-full bg-desert">{children}</div>
       <Footer />
 
-      <ChatButton onClick={() => setIsChatOpen(true)} />      
-      <ChatModal open={isChatOpen} onClose={() => setIsChatOpen(false)} />
+      {aiAssistantInstalled && (
+        <>
+          <ChatButton onClick={() => setIsChatOpen(true)} />
+          <ChatModal open={isChatOpen} onClose={() => setIsChatOpen(false)} />
+        </>
+      )}
     </div>
   )
 }