From 37b8279ab58b831e950c6dcb2bb4bb93f1ad7c54 Mon Sep 17 00:00:00 2001
From: araemer <anika@raemer.net>
Date: Wed, 22 Oct 2025 19:27:36 +0200
Subject: [PATCH] Fix recalculation problem with null amounts

---
 frontend/src/components/recipes/RecipeDetailPage.tsx | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/frontend/src/components/recipes/RecipeDetailPage.tsx b/frontend/src/components/recipes/RecipeDetailPage.tsx
index b1a48a9..fb67cff 100644
--- a/frontend/src/components/recipes/RecipeDetailPage.tsx
+++ b/frontend/src/components/recipes/RecipeDetailPage.tsx
@@ -58,7 +58,8 @@ export default function RecipeDetailPage() {
             ...ingGrp,
             ingredientList: ingGrp.ingredientList.map((ing) => ({
                 ...ing,
-                amount: ing.amount !== undefined ? ing.amount * factor : ing.amount,
+                // ensure only to recalculate the amount of ingredients that actually have an amout...
+                amount: (ing.amount && ing.amount !== undefined) ? ing.amount * factor : undefined,
             }))
         }))