diff --git a/client/src/App.tsx b/client/src/App.tsx
index 37b8bc8..68d7d23 100644
--- a/client/src/App.tsx
+++ b/client/src/App.tsx
@@ -637,9 +637,11 @@ function App() {
     } else {
       content = <div className="restaurant-error">Chyba načtení dat</div>
     }
+    // Zavřený podnik nelze vybrat kliknutím na záhlaví
+    const canSelectLocation = canChangeChoice && !menu?.closed;
     return <Col md={6} lg className='mt-3'>
       <div className="restaurant-card">
-        <div className="restaurant-header" style={{ cursor: canChangeChoice ? 'pointer' : 'default' }} onClick={() => doAddClickFoodChoice(location)}>
+        <div className="restaurant-header" style={{ cursor: canSelectLocation ? 'pointer' : 'default' }} onClick={() => canSelectLocation && doAddClickFoodChoice(location)}>
           <div className="restaurant-header-content">
             <h3>
               {getLunchChoiceName(location)}
diff --git a/server/src/service.ts b/server/src/service.ts
index abe761b..1d3da17 100644
--- a/server/src/service.ts
+++ b/server/src/service.ts
@@ -489,6 +489,7 @@ export async function addChoice(login: string, trusted: boolean, locationKey: Lu
     if (isRestaurantDisabled(locationKey)) {
         throw new Error(`Podnik ${locationKey} je dočasně uzavřen`);
     }
+    await validateRestaurantOpen(locationKey, usedDate);
     await validateFoodIndex(locationKey, foodIndex, date);
 
     if (!slot || slot === MealSlot.OBED) {
@@ -540,6 +541,21 @@ export async function addChoice(login: string, trusted: boolean, locationKey: Lu
     return data;
 }
 
+/**
+ * Ověří, že vybraný podnik má v daný den otevřeno.
+ *
+ * @param locationKey vybraná lokalita
+ * @param date datum, pro které je validace prováděna
+ */
+async function validateRestaurantOpen(locationKey: LunchChoice, date: Date) {
+    if (Object.keys(Restaurant).includes(locationKey)) {
+        const menu = await getRestaurantMenu(locationKey as Restaurant, date);
+        if (menu.closed) {
+            throw new Error(`Podnik ${locationKey} má v tento den zavřeno`);
+        }
+    }
+}
+
 /**
  * Zvaliduje platnost indexu jídla pro vybranou lokalitu a datum.
  *