diff --git a/frontend/src/components/recipes/RecipeDetailPage.tsx b/frontend/src/components/recipes/RecipeDetailPage.tsx
index 9c4a642..9df3b05 100644
--- a/frontend/src/components/recipes/RecipeDetailPage.tsx
+++ b/frontend/src/components/recipes/RecipeDetailPage.tsx
@@ -123,6 +123,7 @@ export default function RecipeDetailPage() {
                     <ul>
                         {recipeWorkingCopy.ingredientGroupList.map((group, i) => (
                             <IngredientGroupDisplayListItem
+                                key={i}
                                 index={i}
                                 groupModel={group}
                             />