diff --git a/api/templates/manifest.json.twig b/api/templates/manifest.json.twig
index 24de7ff..b27f4ed 100644
--- a/api/templates/manifest.json.twig
+++ b/api/templates/manifest.json.twig
@@ -2,7 +2,7 @@
     "name": "Co Jedzie?{% if provider %} - {{ provider.shortName }}{% endif %}",
     "short_name": "Co Jedzie?{% if provider %} - {{ provider.shortName }}{% endif %}",
     "orientation": "portrait",
-    "lang": "pl_PL",
+    "lang": "pl-PL",
     "start_url": "{{ provider ? path('app', { provider: provider.identifier }) : path('choose') }}",
     "display": "standalone",
     "background_color": "white",
diff --git a/front/src/components/main.ts b/front/src/components/main.ts
index b5122e3..7ef0158 100644
--- a/front/src/components/main.ts
+++ b/front/src/components/main.ts
@@ -4,6 +4,7 @@ import { Action, Mutation, State } from 'vuex-class'
 import { Provider, Stop } from "@/model";
 import { DeparturesSettingsState } from "@/store/settings/departures";
 import { MessagesSettingsState } from "@/store/settings/messages";
+import urls from "@/urls";
 
 @Component({ template: require("@templates/main.html") })
 export class Main extends Vue {
@@ -46,6 +47,7 @@ export class Main extends Vue {
 
     mounted() {
         this.$el.classList.remove('not-ready');
+        document.querySelector<HTMLLinkElement>('link[rel="manifest"]').href = urls.prepare(urls.manifest.provider, { provider: this.$route.params.provider });
     }
 
     async created() {
diff --git a/front/src/components/provider-chooser.ts b/front/src/components/provider-chooser.ts
index f8a37cb..5ea9bf8 100644
--- a/front/src/components/provider-chooser.ts
+++ b/front/src/components/provider-chooser.ts
@@ -3,6 +3,7 @@ import { Component } from 'vue-property-decorator'
 import { Provider } from "@/model";
 import { Jsonified } from "@/utils";
 import * as moment from 'moment';
+import urls from "@/urls";
 
 @Component({
     template: require('@templates/page/providers.html'),
@@ -10,6 +11,10 @@ import * as moment from 'moment';
 export class ProviderChooser extends Vue {
     private providers: Provider[] = [];
 
+    mounted() {
+        document.querySelector<HTMLLinkElement>('link[rel="manifest"]').href = urls.manifest.main;
+    }
+
     async created() {
         const response = await fetch('/api/v1/providers');
         const result = await response.json() as Jsonified<Provider>[];
diff --git a/front/src/urls.ts b/front/src/urls.ts
index a9fc14c..9b659cf 100644
--- a/front/src/urls.ts
+++ b/front/src/urls.ts
@@ -66,5 +66,9 @@ export default {
         get: `/api/v1/providers/{provider}`,
     },
     trip: `${base}/trips/{id}`,
+    manifest: {
+        main: '/manifest.json',
+        provider: '/{provider}/manifest.json',
+    },
     prepare: (url: string, params: UrlParams = { }) => prepare(url, Object.assign({}, { provider: store.state.provider?.id }, params))
 }