diff --git a/server/src/main/kotlin/de/bollwerk/server/repository/InventoryRepository.kt b/server/src/main/kotlin/de/bollwerk/server/repository/InventoryRepository.kt
index 7fd08b5..00abeec 100644
--- a/server/src/main/kotlin/de/bollwerk/server/repository/InventoryRepository.kt
+++ b/server/src/main/kotlin/de/bollwerk/server/repository/InventoryRepository.kt
@@ -272,7 +272,25 @@ internal class InventoryRepository {
             val exists = Items.selectAll()
                 .where { (Items.id eq itemId) and (Items.inventoryId eq inventoryId) }
                 .count() > 0
-            if (!exists) return@transaction false
+
+            if (!exists) {
+                // Neues Item: INSERT mit allen gelieferten Feldern, Defaults für fehlende
+                Items.insert {
+                    it[Items.id] = itemId
+                    it[Items.inventoryId] = inventoryId
+                    it[name] = EncryptionService.encrypt(fields["name"]?.jsonPrimitive?.content ?: "")
+                    it[categoryId] = fields["categoryId"]?.jsonPrimitive?.intOrNull ?: 0
+                    it[quantity] = fields["quantity"]?.jsonPrimitive?.doubleOrNull ?: 0.0
+                    it[unit] = fields["unit"]?.jsonPrimitive?.content ?: ""
+                    it[unitPrice] = fields["unitPrice"]?.jsonPrimitive?.doubleOrNull ?: 0.0
+                    it[kcalPerUnit] = fields["kcalPerUnit"]?.jsonPrimitive?.intOrNull
+                    it[expiryDate] = fields["expiryDate"]?.jsonPrimitive?.contentOrNull
+                    it[locationId] = fields["locationId"]?.jsonPrimitive?.intOrNull ?: 0
+                    it[notes] = EncryptionService.encrypt(fields["notes"]?.jsonPrimitive?.content ?: "")
+                    it[lastUpdated] = fields["lastUpdated"]?.jsonPrimitive?.longOrNull ?: System.currentTimeMillis()
+                }
+                return@transaction true
+            }
 
             val hasUpdatableFields = fields.keys.any { it in updatableKeys }
             if (!hasUpdatableFields) return@transaction true