diff --git a/client/src/components/modals/SettingsModal.tsx b/client/src/components/modals/SettingsModal.tsx
index c44e784..505724c 100644
--- a/client/src/components/modals/SettingsModal.tsx
+++ b/client/src/components/modals/SettingsModal.tsx
@@ -21,6 +21,7 @@ export default function SettingsModal({ isOpen, onClose, onSave }: Readonly<Prop
     const themeRef = useRef<HTMLSelectElement>(null);
     const styleThemeRef = useRef<HTMLSelectElement>(null);
     const showButterfliesRef = useRef<HTMLInputElement>(null);
+    const autoOrderChoiceRef = useRef<HTMLInputElement>(null);
 
     const reminderTimeRef = useRef<HTMLInputElement>(null);
     const boltDeliveredRef = useRef<HTMLInputElement>(null);
@@ -83,6 +84,9 @@ export default function SettingsModal({ isOpen, onClose, onSave }: Readonly<Prop
         if (showButterfliesRef.current) {
             settings?.setShowButterflies(showButterfliesRef.current.checked);
         }
+        if (autoOrderChoiceRef.current) {
+            settings?.setAutoOrderChoice(autoOrderChoiceRef.current.checked);
+        }
         onSave(
             bankAccountRef.current?.value,
             nameRef.current?.value,
@@ -144,6 +148,18 @@ export default function SettingsModal({ isOpen, onClose, onSave }: Readonly<Prop
                                 Experimentální funkce - zejména u TechTower bývá problém polévky spolehlivě rozeznat.
                             </Form.Text>
                         </Form.Group>
+                        <Form.Group className="mb-3">
+                            <Form.Check
+                                id="autoOrderChoiceCheckbox"
+                                ref={autoOrderChoiceRef}
+                                type="checkbox"
+                                label='Při objednávání automaticky zvolit "Budu objednávat"'
+                                defaultChecked={settings?.autoOrderChoice ?? false}
+                            />
+                            <Form.Text className="text-muted">
+                                Po založení skupinové objednávky nebo připojení k existující se vaše dnešní volba stravování přepne na "Budu objednávat". Volba Pizza day zůstane beze změny.
+                            </Form.Text>
+                        </Form.Group>
 
                         <hr />
 
diff --git a/client/src/context/settings.tsx b/client/src/context/settings.tsx
index d1a4bc5..0ffff62 100644
--- a/client/src/context/settings.tsx
+++ b/client/src/context/settings.tsx
@@ -8,6 +8,7 @@ const ACCENT_HUE_KEY = 'accent_hue';
 const LEGACY_COLOR_THEME_KEY = 'color_theme';
 const STYLE_THEME_KEY = 'style_theme';
 const SHOW_BUTTERFLIES_KEY = 'show_butterflies';
+const AUTO_ORDER_CHOICE_KEY = 'auto_order_choice';
 
 export type ThemePreference = 'system' | 'light' | 'dark';
 
@@ -32,6 +33,7 @@ export type SettingsContextProps = {
   effectiveDark: boolean,
   styleTheme: StyleTheme,
   showButterflies: boolean,
+  autoOrderChoice: boolean,
   setBankAccountNumber: (accountNumber?: string) => void,
   setBankAccountHolderName: (holderName?: string) => void,
   setHideSoupsOption: (hideSoups?: boolean) => void,
@@ -39,6 +41,7 @@ export type SettingsContextProps = {
   setAccentHue: (hue: number) => void,
   setStyleTheme: (theme: StyleTheme) => void,
   setShowButterflies: (show: boolean) => void,
+  setAutoOrderChoice: (enabled: boolean) => void,
 }
 
 type ContextProps = {
@@ -90,6 +93,15 @@ function getInitialShowButterflies(): boolean {
   return true;
 }
 
+function getInitialAutoOrderChoice(): boolean {
+  try {
+    return localStorage.getItem(AUTO_ORDER_CHOICE_KEY) === 'true';
+  } catch {
+    // localStorage nedostupný
+  }
+  return false;
+}
+
 function getInitialAccentHue(): number {
   try {
     const saved = localStorage.getItem(ACCENT_HUE_KEY);
@@ -158,6 +170,7 @@ function useProvideSettings(): SettingsContextProps {
   const [accentHue, setHue] = useState<number>(getInitialAccentHue);
   const [styleTheme, setStyle] = useState<StyleTheme>(getInitialStyleTheme);
   const [showButterflies, setShowButterfliesState] = useState<boolean>(getInitialShowButterflies);
+  const [autoOrderChoice, setAutoOrderChoiceState] = useState<boolean>(getInitialAutoOrderChoice);
   const [effectiveDark, setEffectiveDark] = useState<boolean>(() => {
     try {
       const pref = localStorage.getItem(THEME_KEY) as ThemePreference | null;
@@ -235,6 +248,10 @@ function useProvideSettings(): SettingsContextProps {
     localStorage.setItem(SHOW_BUTTERFLIES_KEY, showButterflies ? 'true' : 'false');
   }, [showButterflies]);
 
+  useEffect(() => {
+    localStorage.setItem(AUTO_ORDER_CHOICE_KEY, autoOrderChoice ? 'true' : 'false');
+  }, [autoOrderChoice]);
+
   // Aplikuje accent barvy při změně hue nebo přepnutí světlý/tmavý.
   // Tematické styly (Umamusume, My Little Pony, Hell Girl, K-ON!, Bocchi the Rock!) mají vlastní pevnou paletu, accent barvu proto uplatňuje jen jednoduchý styl.
   useEffect(() => {
@@ -274,6 +291,10 @@ function useProvideSettings(): SettingsContextProps {
     setShowButterfliesState(show);
   }
 
+  function setAutoOrderChoice(enabled: boolean) {
+    setAutoOrderChoiceState(enabled);
+  }
+
   return {
     bankAccount,
     holderName,
@@ -290,5 +311,7 @@ function useProvideSettings(): SettingsContextProps {
     setStyleTheme,
     showButterflies,
     setShowButterflies,
+    autoOrderChoice,
+    setAutoOrderChoice,
   }
 }
diff --git a/client/src/pages/OrderGroupsPage.tsx b/client/src/pages/OrderGroupsPage.tsx
index 15238e3..0f42456 100644
--- a/client/src/pages/OrderGroupsPage.tsx
+++ b/client/src/pages/OrderGroupsPage.tsx
@@ -7,8 +7,8 @@ import DatePicker, { registerLocale } from 'react-datepicker';
 import { cs } from 'date-fns/locale';
 import 'react-datepicker/dist/react-datepicker.css';
 import {
-    ClientData, GroupState, MealSlot, OrderGroup, OrderGroupMember, PendingQr, TrackingProvider,
-    StoreMenuDish, getData, createGroup, deleteGroup, addGroupMember, removeGroupMember, updateGroupMember, setGroupState, updateGroupTimes, setTracking, getOrderDates, getStoreMenu,
+    ClientData, GroupState, LunchChoice, MealSlot, OrderGroup, OrderGroupMember, PendingQr, TrackingProvider,
+    StoreMenuDish, getData, createGroup, deleteGroup, addGroupMember, removeGroupMember, updateGroupMember, setGroupState, updateGroupTimes, setTracking, getOrderDates, getStoreMenu, addChoice,
 } from '../../../types';
 import MenuHintCell from '../components/MenuHintCell';
 import EaterBadge from '../components/EaterBadge';
@@ -261,6 +261,22 @@ export default function OrderGroupsPage() {
         return true;
     };
 
+    /**
+     * Pokud to má uživatel zapnuté v nastavení, přepne jeho dnešní volbu stravování na "Budu objednávat".
+     * Volbu nemění, pokud již objednává, nebo je přihlášen na Pizza day (změnou by přišel o objednané pizzy).
+     */
+    const switchChoiceToOrdering = async () => {
+        if (!settings?.autoOrderChoice || !auth?.login) return;
+        const lunch = await getData({ query: { slot: MealSlot.OBED } });
+        const choices = lunch.data?.choices;
+        if (!choices) return;
+        if (auth.login in (choices[LunchChoice.OBJEDNAVAM] ?? {}) || auth.login in (choices[LunchChoice.PIZZA] ?? {})) return;
+        const result = await addChoice({ body: { locationKey: LunchChoice.OBJEDNAVAM, slot: MealSlot.OBED } });
+        if (result.error) {
+            setPageError(`Nepodařilo se přepnout volbu stravování: ${(result.error as any).error || 'Nastala chyba'}`);
+        }
+    };
+
     const handleCreate = async () => {
         if (!newGroupName || !auth?.login) return;
         setCreating(true);
@@ -271,13 +287,17 @@ export default function OrderGroupsPage() {
         if (ok) {
             setNewGroupName('');
             setNewGroupUrl('');
+            await switchChoiceToOrdering();
         }
         setCreating(false);
     };
 
 
-    const handleJoin = (groupId: string) =>
-        refresh(() => addGroupMember({ body: { id: groupId } }));
+    const handleJoin = async (groupId: string) => {
+        if (await refresh(() => addGroupMember({ body: { id: groupId } }))) {
+            await switchChoiceToOrdering();
+        }
+    };
 
     const handleToggleLock = (group: OrderGroup) => {
         const next = group.state === GroupState.OPEN ? GroupState.LOCKED : GroupState.OPEN;
diff --git a/server/changelogs/2026-10-19.json b/server/changelogs/2026-10-19.json
new file mode 100644
index 0000000..2c3783d
--- /dev/null
+++ b/server/changelogs/2026-10-19.json
@@ -0,0 +1,3 @@
+[
+  "Nové nastavení: po založení skupinové objednávky nebo připojení k ní se vaše dnešní volba automaticky přepne na \"Budu objednávat\""
+]