diff --git a/frontend/src/components/ShoppingEventForm.tsx b/frontend/src/components/ShoppingEventForm.tsx
index eb07aa3..c19fa42 100644
--- a/frontend/src/components/ShoppingEventForm.tsx
+++ b/frontend/src/components/ShoppingEventForm.tsx
@@ -90,7 +90,7 @@ const ShoppingEventForm: React.FC = () => {
   };
 
   const addGroceryToEvent = () => {
-    if (newGroceryItem.grocery_id > 0 && newGroceryItem.amount > 0 && newGroceryItem.price > 0) {
+    if (newGroceryItem.grocery_id > 0 && newGroceryItem.amount > 0 && newGroceryItem.price >= 0) {
       setSelectedGroceries([...selectedGroceries, { ...newGroceryItem }]);
       setNewGroceryItem({ grocery_id: 0, amount: 1, price: 0 });
     }